es dropped **
[  290.899220][    C0] yealink 2-1:36.0: unexpected response 0
[  290.907997][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  290.914924][    C0] yealink 2-1:36.0: unexpected response 0
[  290.923756][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  290.930635][    C0] yealink 2-1:36.0: unexpected response 0
[  290.939383][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  290.946333][    C0] yealink 2-1:36.0: unexpected response 0
[  290.955233][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  290.962200][    C0] yealink 2-1:36.0: unexpected response 0
[  290.971293][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  290.978347][    C0] yealink 2-1:36.0: unexpected response 0
[  290.987085][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  290.994030][    C0] yealink 2-1:36.0: unexpected response 0
[  291.002752][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  291.009731][    C0] yealink 2-1:36.0: unexpected response 0
[  291.018569][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  291.025546][    C0] yealink 2-1:36.0: unexpected response 0
[  291.034312][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  291.041378][    C0] yealink 2-1:36.0: unexpected response 0
[  291.050117][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  291.057096][    C0] yealink 2-1:36.0: unexpected response 0
[  291.065841][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  291.072783][    C0] yealink 2-1:36.0: unexpected response 0
[  291.081626][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  291.088631][    C0] yealink 2-1:36.0: unexpected response 0
[  291.097441][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  291.104485][    C0] yealink 2-1:36.0: unexpected response 0
[  291.113179][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  291.120204][    C0] yealink 2-1:36.0: unexpected response 0
[  291.128987][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  291.135992][    C0] yealink 2-1:36.0: unexpected response 0
[  291.144784][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  291.151712][    C0] yealink 2-1:36.0: unexpected response 0
[  291.160608][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  291.167694][    C0] yealink 2-1:36.0: unexpected response 0
[  291.176442][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  291.183550][    C0] yealink 2-1:36.0: unexpected response 0
[  291.192373][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  291.199357][    C0] yealink 2-1:36.0: unexpected response 0
[  291.208151][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  291.215228][    C0] yealink 2-1:36.0: unexpected response 0
[  291.223983][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  291.231040][    C0] yealink 2-1:36.0: unexpected response 0
[  291.239765][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  291.246716][    C0] yealink 2-1:36.0: unexpected response 0
[  291.255630][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  291.262578][    C0] yealink 2-1:36.0: unexpected response 0
[  291.271666][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  291.278660][    C0] yealink 2-1:36.0: unexpected response 0
[  291.287505][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  291.294465][    C0] yealink 2-1:36.0: unexpected response 0
[  291.303155][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  291.310151][    C0] yealink 2-1:36.0: unexpected response 0
[  291.318918][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  291.326016][    C0] yealink 2-1:36.0: unexpected response 0
[  291.334784][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  291.341792][    C0] yealink 2-1:36.0: unexpected response 0
[  291.350596][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  291.357555][    C0] yealink 2-1:36.0: unexpected response 0
[  291.366312][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  291.373252][    C0] yealink 2-1:36.0: unexpected response 0
[  291.382083][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  291.389076][    C0] yealink 2-1:36.0: unexpected response 0
[  291.397851][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  291.404816][    C0] yealink 2-1:36.0: unexpected response 0
[  291.413572][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  291.420591][    C0] yealink 2-1:36.0: unexpected response 0
[  291.429325][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  291.436306][    C0] yealink 2-1:36.0: unexpected response 0
[  291.445136][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  291.452239][    C0] yealink 2-1:36.0: unexpected response 0
[  291.461296][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  291.468300][    C0] yealink 2-1:36.0: unexpected response 0
[  291.477066][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  291.484046][    C0] yealink 2-1:36.0: unexpected response 0
[  291.492823][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  291.499825][    C0] yealink 2-1:36.0: unexpected response 0
[  291.508890][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  291.515972][    C0] yealink 2-1:36.0: unexpected response 0
[  291.524830][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  291.531913][    C0] yealink 2-1:36.0: unexpected response 0
[  291.540747][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  291.547733][    C0] yealink 2-1:36.0: unexpected response 0
[  291.556535][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  291.563608][    C0] yealink 2-1:36.0: unexpected response 0
[  291.572334][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  291.579286][    C0] yealink 2-1:36.0: unexpected response 0
[  291.588051][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  291.595238][    C0] yealink 2-1:36.0: unexpected response 0
[  291.603993][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  291.611058][    C0] yealink 2-1:36.0: unexpected response 0
[  291.619911][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  291.626871][    C0] yealink 2-1:36.0: unexpected response 0
[  291.635620][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  291.642648][    C0] yealink 2-1:36.0: unexpected response 0
[  291.651563][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  291.658511][    C0] yealink 2-1:36.0: unexpected response 0
[  291.667352][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  291.674500][    C0] yealink 2-1:36.0: unexpected response 0
[  291.683202][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  291.690481][    C0] yealink 2-1:36.0: unexpected response 0
[  291.699266][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  291.706232][    C0] yealink 2-1:36.0: unexpected response 0
[  291.715296][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  291.722229][    C0] yealink 2-1:36.0: unexpected response 0
[  291.731053][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  291.738009][    C0] yealink 2-1:36.0: unexpected response 0
[  291.746792][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  291.753740][    C0] yealink 2-1:36.0: unexpected response 0
[  291.762600][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  291.769537][    C0] yealink 2-1:36.0: unexpected response 0
[  291.778301][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  291.785353][    C0] yealink 2-1:36.0: unexpected response 0
[  291.794111][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  291.801046][    C0] yealink 2-1:36.0: unexpected response 0
[  291.809818][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  291.816767][    C0] yealink 2-1:36.0: unexpected response 0
[  291.825501][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  291.832435][    C0] yealink 2-1:36.0: unexpected response 0
[  291.841278][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  291.848475][    C0] yealink 2-1:36.0: unexpected response 0
[  291.857353][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  291.864324][    C0] yealink 2-1:36.0: unexpected response 0
[  291.873098][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  291.880053][    C0] yealink 2-1:36.0: unexpected response 0
[  291.888893][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  291.895851][    C0] yealink 2-1:36.0: unexpected response 0
[  291.904609][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  291.911593][    C0] yealink 2-1:36.0: unexpected response 0
[  291.920331][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  291.927305][    C0] yealink 2-1:36.0: unexpected response 0
[  291.936129][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  291.943075][    C0] yealink 2-1:36.0: unexpected response 0
[  291.951985][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  291.958940][    C0] yealink 2-1:36.0: unexpected response 0
[  291.967687][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  291.974759][    C0] yealink 2-1:36.0: unexpected response 0
[  291.983503][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  291.990520][    C0] yealink 2-1:36.0: unexpected response 0
[  291.999436][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  292.006477][    C0] yealink 2-1:36.0: unexpected response 0
[  292.015213][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  292.022264][    C0] yealink 2-1:36.0: unexpected response 0
[  292.030998][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  292.037958][    C0] yealink 2-1:36.0: unexpected response 0
[  292.046701][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  292.053843][    C0] yealink 2-1:36.0: unexpected response 0
[  292.062533][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  292.069483][    C0] yealink 2-1:36.0: unexpected response 0
[  292.078249][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  292.085232][    C0] yealink 2-1:36.0: unexpected response 0
[  292.093975][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  292.101241][    C0] yealink 2-1:36.0: unexpected response 0
[  292.109985][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  292.116973][    C0] yealink 2-1:36.0: unexpected response 0
[  292.125718][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  292.132666][    C0] yealink 2-1:36.0: unexpected response 0
[  292.141424][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  292.148371][    C0] yealink 2-1:36.0: unexpected response 0
[  292.157115][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  292.164072][    C0] yealink 2-1:36.0: unexpected response 0
[  292.172762][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  292.179804][    C0] yealink 2-1:36.0: unexpected response 0
[  292.188595][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  292.195625][    C0] yealink 2-1:36.0: unexpected response 0
[  292.204418][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  292.211393][    C0] yealink 2-1:36.0: unexpected response 0
[  292.220298][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  292.227525][    C0] yealink 2-1:36.0: unexpected response 0
[  292.236307][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  292.243262][    C0] yealink 2-1:36.0: unexpected response 0
[  292.252444][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  292.259400][    C0] yealink 2-1:36.0: unexpected response 0
[  292.268191][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  292.275261][    C0] yealink 2-1:36.0: unexpected response 0
[  292.284108][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  292.291037][    C0] yealink 2-1:36.0: unexpected response 0
[  292.299807][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  292.306784][    C0] yealink 2-1:36.0: unexpected response 0
[  292.315527][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  292.322484][    C0] yealink 2-1:36.0: unexpected response 0
[  292.331287][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  292.338297][    C0] yealink 2-1:36.0: unexpected response 0
[  292.347148][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  292.354402][    C0] yealink 2-1:36.0: unexpected response 0
[  292.363095][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  292.370065][    C0] yealink 2-1:36.0: unexpected response 0
[  292.378888][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  292.385829][    C0] yealink 2-1:36.0: unexpected response 0
[  292.394578][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  292.401490][    C0] yealink 2-1:36.0: unexpected response 0
[  292.410295][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  292.417353][    C0] yealink 2-1:36.0: unexpected response 0
[  292.426295][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  292.433382][    C0] yealink 2-1:36.0: unexpected response 0
[  292.442154][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  292.449174][    C0] yealink 2-1:36.0: unexpected response 0
[  292.458032][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  292.465035][    C0] yealink 2-1:36.0: unexpected response 0
[  292.473887][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  292.481412][    C0] yealink 2-1:36.0: unexpected response 0
[  292.490279][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  292.497259][    C0] yealink 2-1:36.0: unexpected response 0
[  292.506108][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  292.513045][    C0] yealink 2-1:36.0: unexpected response 0
[  292.521916][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  292.528880][    C0] yealink 2-1:36.0: unexpected response 0
[  292.537711][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  292.544962][    C0] yealink 2-1:36.0: unexpected response 0
[  292.553777][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  292.560734][    C0] yealink 2-1:36.0: unexpected response 0
[  292.569610][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  292.576586][    C0] yealink 2-1:36.0: unexpected response 0
[  292.585457][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  292.592419][    C0] yealink 2-1:36.0: unexpected response 0
[  292.601299][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  292.608482][    C0] yealink 2-1:36.0: unexpected response 0
[  292.617313][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  292.624342][    C0] yealink 2-1:36.0: unexpected response 0
[  292.633420][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  292.640467][    C0] yealink 2-1:36.0: unexpected response 0
[  292.649238][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  292.656291][    C0] yealink 2-1:36.0: unexpected response 0
[  292.665127][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  292.672281][    C0] yealink 2-1:36.0: unexpected response 0
[  292.681158][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  292.688416][    C0] yealink 2-1:36.0: unexpected response 0
[  292.697262][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  292.704293][    C0] yealink 2-1:36.0: unexpected response 0
[  292.713194][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  292.720262][    C0] yealink 2-1:36.0: unexpected response 0
[  292.729140][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  292.736229][    C0] yealink 2-1:36.0: unexpected response 0
[  292.745005][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  292.751952][    C0] yealink 2-1:36.0: unexpected response 0
[  292.760798][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  292.767774][    C0] yealink 2-1:36.0: unexpected response 0
[  292.776533][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  292.783511][    C0] yealink 2-1:36.0: unexpected response 0
[  292.792198][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  292.799400][    C0] yealink 2-1:36.0: unexpected response 0
[  292.808257][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  292.815237][    C0] yealink 2-1:36.0: unexpected response 0
[  292.824093][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  292.831105][    C0] yealink 2-1:36.0: unexpected response 0
[  292.839837][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  292.846811][    C0] yealink 2-1:36.0: unexpected response 0
[  292.855560][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  292.862602][    C0] yealink 2-1:36.0: unexpected response 0
[  292.871362][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  292.878350][    C0] yealink 2-1:36.0: unexpected response 0
[  292.887545][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  292.894496][    C0] yealink 2-1:36.0: unexpected response 0
[  292.903175][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  292.910143][    C0] yealink 2-1:36.0: unexpected response 0
[  292.918901][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  292.925868][    C0] yealink 2-1:36.0: unexpected response 0
[  292.934736][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  292.941630][    C0] yealink 2-1:36.0: unexpected response 0
[  292.950372][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  292.957602][    C0] yealink 2-1:36.0: unexpected response 0
[  292.966430][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  292.973362][    C0] yealink 2-1:36.0: unexpected response 0
[  292.982154][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  292.989118][    C0] yealink 2-1:36.0: unexpected response 0
[  292.997876][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  293.004911][    C0] yealink 2-1:36.0: unexpected response 0
[  293.013670][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  293.020556][    C0] yealink 2-1:36.0: unexpected response 0
[  293.029386][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  293.036338][    C0] yealink 2-1:36.0: unexpected response 0
[  293.045071][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  293.052011][    C0] yealink 2-1:36.0: unexpected response 0
[  293.060808][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  293.068129][    C0] yealink 2-1:36.0: unexpected response 0
[  293.076905][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  293.083998][    C0] yealink 2-1:36.0: unexpected response 0
[  293.092754][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  293.100029][    C0] yealink 2-1:36.0: unexpected response 0
[  293.108959][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  293.115947][    C0] yealink 2-1:36.0: unexpected response 0
[  293.124835][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  293.131832][    C0] yealink 2-1:36.0: unexpected response 0
[  293.140603][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  293.147771][    C0] yealink 2-1:36.0: unexpected response 0
[  293.156941][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  293.164017][    C0] yealink 2-1:36.0: unexpected response 0
[  293.172749][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  293.179821][    C0] yealink 2-1:36.0: unexpected response 0
[  293.188616][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  293.195846][    C0] yealink 2-1:36.0: unexpected response 0
[  293.204597][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  293.211620][    C0] yealink 2-1:36.0: unexpected response 0
[  293.220400][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  293.227403][    C0] yealink 2-1:36.0: unexpected response 0
[  293.236148][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  293.243242][    C0] yealink 2-1:36.0: unexpected response 0
[  293.252133][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  293.259106][    C0] yealink 2-1:36.0: unexpected response 0
[  293.267880][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  293.274914][    C0] yealink 2-1:36.0: unexpected response 0
[  293.283753][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  293.290681][    C0] yealink 2-1:36.0: unexpected response 0
[  293.299408][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  293.306385][    C0] yealink 2-1:36.0: unexpected response 0
[  293.315206][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  293.322140][    C0] yealink 2-1:36.0: unexpected response 0
[  293.330891][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  293.337848][    C0] yealink 2-1:36.0: unexpected response 0
[  293.346626][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  293.353599][    C0] yealink 2-1:36.0: unexpected response 0
[  293.362295][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  293.369271][    C0] yealink 2-1:36.0: unexpected response 0
[  293.378198][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  293.385162][    C0] yealink 2-1:36.0: unexpected response 0
[  293.393915][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  293.394190][    C0] yealink 2-1:36.0: unexpected response 0
[  293.402901][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  293.409875][    C0] yealink 2-1:36.0: unexpected response 0
[  293.418642][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  293.425599][    C0] yealink 2-1:36.0: unexpected response 0
[  293.434359][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  293.441248][    C0] yealink 2-1:36.0: unexpected response 0
[  293.450238][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  293.457216][    C0] yealink 2-1:36.0: unexpected response 0
[  293.466136][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  293.473196][    C0] yealink 2-1:36.0: unexpected response 0
[  293.482380][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  293.489480][    C0] yealink 2-1:36.0: unexpected response 0
[  293.498349][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  293.505501][    C0] yealink 2-1:36.0: unexpected response 0
[  293.514255][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  293.521213][    C0] yealink 2-1:36.0: unexpected response 0
[  293.529953][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  293.536921][    C0] yealink 2-1:36.0: unexpected response 0
[  293.545681][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  293.552900][    C0] yealink 2-1:36.0: unexpected response 0
[  293.561770][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  293.568827][    C0] yealink 2-1:36.0: unexpected response 0
[  293.577573][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  293.584731][    C0] yealink 2-1:36.0: unexpected response 0
[  293.593486][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  293.600431][    C0] yealink 2-1:36.0: unexpected response 0
[  293.609453][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  293.616478][    C0] yealink 2-1:36.0: unexpected response 0
[  293.625303][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  293.632255][    C0] yealink 2-1:36.0: unexpected response 0
[  293.641096][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  293.648103][    C0] yealink 2-1:36.0: unexpected response 0
[  293.656843][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  293.663945][    C0] yealink 2-1:36.0: unexpected response 0
[  293.672673][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  293.679661][    C0] yealink 2-1:36.0: unexpected response 0
[  293.688414][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  293.695392][    C0] yealink 2-1:36.0: unexpected response 0
[  293.704237][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  293.711128][    C0] yealink 2-1:36.0: unexpected response 0
[  293.719872][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  293.726985][    C0] yealink 2-1:36.0: unexpected response 0
[  293.736334][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  293.743315][    C0] yealink 2-1:36.0: unexpected response 0
[  293.752086][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  293.759062][    C0] yealink 2-1:36.0: unexpected response 0
[  293.767915][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  293.774865][    C0] yealink 2-1:36.0: unexpected response 0
[  293.783645][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  293.790616][    C0] yealink 2-1:36.0: unexpected response 0
[  293.799360][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  293.806487][    C0] yealink 2-1:36.0: unexpected response 0
[  293.815286][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  293.822228][    C0] yealink 2-1:36.0: unexpected response 0
[  293.830970][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  293.837946][    C0] yealink 2-1:36.0: unexpected response 0
[  293.846777][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  293.853723][    C0] yealink 2-1:36.0: unexpected response 0
[  293.862496][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  293.869471][    C0] yealink 2-1:36.0: unexpected response 0
[  293.878303][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  293.885327][    C0] yealink 2-1:36.0: unexpected response 0
[  293.894067][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  293.901232][    C0] yealink 2-1:36.0: unexpected response 0
[  293.909966][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  293.916907][    C0] yealink 2-1:36.0: unexpected response 0
[  293.925664][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  293.932601][    C0] yealink 2-1:36.0: unexpected response 0
[  293.941608][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  293.948653][    C0] yealink 2-1:36.0: unexpected response 0
[  293.957403][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  293.964387][    C0] yealink 2-1:36.0: unexpected response 0
[  293.973079][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  293.980374][    C0] yealink 2-1:36.0: unexpected response 0
[  293.989212][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  293.996353][    C0] yealink 2-1:36.0: unexpected response 0
[  294.005106][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  294.011992][    C0] yealink 2-1:36.0: unexpected response 0
[  294.020806][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  294.027782][    C0] yealink 2-1:36.0: unexpected response 0
[  294.036521][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  294.043492][    C0] yealink 2-1:36.0: unexpected response 0
[  294.052306][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  294.059330][    C0] yealink 2-1:36.0: unexpected response 0
[  294.068106][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  294.075135][    C0] yealink 2-1:36.0: unexpected response 0
[  294.084031][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  294.091107][    C0] yealink 2-1:36.0: unexpected response 0
[  294.099850][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  294.106803][    C0] yealink 2-1:36.0: unexpected response 0
[  294.115717][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  294.122715][    C0] yealink 2-1:36.0: unexpected response 0
[  294.131506][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  294.138656][    C0] yealink 2-1:36.0: unexpected response 0
[  294.147428][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  294.154392][    C0] yealink 2-1:36.0: unexpected response 0
[  294.163280][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  294.170253][    C0] yealink 2-1:36.0: unexpected response 0
[  294.179039][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  294.186028][    C0] yealink 2-1:36.0: unexpected response 0
[  294.194779][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  294.201665][    C0] yealink 2-1:36.0: unexpected response 0
[  294.210514][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  294.217478][    C0] yealink 2-1:36.0: unexpected response 0
[  294.226300][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  294.233248][    C0] yealink 2-1:36.0: unexpected response 0
[  294.241998][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  294.249066][    C0] yealink 2-1:36.0: unexpected response 0
[  294.257886][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  294.264940][    C0] yealink 2-1:36.0: unexpected response 0
[  294.273787][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  294.280727][    C0] yealink 2-1:36.0: unexpected response 0
[  294.289481][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  294.296467][    C0] yealink 2-1:36.0: unexpected response 0
[  294.305223][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  294.312189][    C0] yealink 2-1:36.0: unexpected response 0
[  294.321041][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  294.328013][    C0] yealink 2-1:36.0: unexpected response 0
[  294.337002][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  294.343971][    C0] yealink 2-1:36.0: unexpected response 0
[  294.352680][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  294.359632][    C0] yealink 2-1:36.0: unexpected response 0
[  294.368383][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  294.375417][    C0] yealink 2-1:36.0: unexpected response 0
[  294.384175][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  294.391144][    C0] yealink 2-1:36.0: unexpected response 0
[  294.399890][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  294.406868][    C0] yealink 2-1:36.0: unexpected response 0
[  294.415738][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  294.423172][    C0] yealink 2-1:36.0: unexpected response 0
[  294.432020][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  294.438973][    C0] yealink 2-1:36.0: unexpected response 0
[  294.447806][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  294.454784][    C0] yealink 2-1:36.0: unexpected response 0
[  294.463603][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  294.470718][    C0] yealink 2-1:36.0: unexpected response 0
[  294.479539][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  294.486686][    C0] yealink 2-1:36.0: unexpected response 0
[  294.495447][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  294.502476][    C0] yealink 2-1:36.0: unexpected response 0
[  294.511369][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  294.518422][    C0] yealink 2-1:36.0: unexpected response 0
[  294.527174][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  294.534131][    C0] yealink 2-1:36.0: unexpected response 0
[  294.542857][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  294.549937][    C0] yealink 2-1:36.0: unexpected response 0
[  294.558786][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  294.565746][    C0] yealink 2-1:36.0: unexpected response 0
[  294.574590][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  294.581682][    C0] yealink 2-1:36.0: unexpected response 0
[  294.590448][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  294.597432][    C0] yealink 2-1:36.0: unexpected response 0
[  294.606259][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  294.613276][    C0] yealink 2-1:36.0: unexpected response 0
[  294.622018][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  294.629119][    C0] yealink 2-1:36.0: unexpected response 0
[  294.637879][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  294.644961][    C0] yealink 2-1:36.0: unexpected response 0
[  294.653791][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  294.660820][    C0] yealink 2-1:36.0: unexpected response 0
[  294.669649][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  294.676590][    C0] yealink 2-1:36.0: unexpected response 0
[  294.685357][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  294.692309][    C0] yealink 2-1:36.0: unexpected response 0
[  294.701062][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  294.708021][    C0] yealink 2-1:36.0: unexpected response 0
[  294.716781][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  294.723819][    C0] yealink 2-1:36.0: unexpected response 0
[  294.732678][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  294.739702][    C0] yealink 2-1:36.0: unexpected response 0
[  294.748461][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  294.755432][    C0] yealink 2-1:36.0: unexpected response 0
[  294.764182][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  294.771067][    C0] yealink 2-1:36.0: unexpected response 0
[  294.779830][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  294.786798][    C0] yealink 2-1:36.0: unexpected response 0
[  294.795614][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  294.802540][    C0] yealink 2-1:36.0: unexpected response 0
[  294.811284][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  294.818227][    C0] yealink 2-1:36.0: unexpected response 0
[  294.827073][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  294.834174][    C0] yealink 2-1:36.0: unexpected response 0
[  294.842852][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  294.849808][    C0] yealink 2-1:36.0: unexpected response 0
[  294.858668][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  294.865639][    C0] yealink 2-1:36.0: unexpected response 0
[  294.874408][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  294.881325][    C0] yealink 2-1:36.0: unexpected response 0
[  294.890195][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  294.897162][    C0] yealink 2-1:36.0: unexpected response 0
[  294.905896][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  294.912852][    C0] yealink 2-1:36.0: unexpected response 0
[  294.921589][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  294.928546][    C0] yealink 2-1:36.0: unexpected response 0
[  294.937375][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  294.944337][    C0] yealink 2-1:36.0: unexpected response 0
[  294.953119][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  294.960155][    C0] yealink 2-1:36.0: unexpected response 0
[  294.968991][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  294.976098][    C0] yealink 2-1:36.0: unexpected response 0
[  294.984878][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  294.991854][    C0] yealink 2-1:36.0: unexpected response 0
[  295.000744][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  295.007794][    C0] yealink 2-1:36.0: unexpected response 0
[  295.016664][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  295.023813][    C0] yealink 2-1:36.0: unexpected response 0
[  295.032940][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  295.040097][    C0] yealink 2-1:36.0: unexpected response 0
[  295.048876][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  295.055919][    C0] yealink 2-1:36.0: unexpected response 0
[  295.064675][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  295.071551][    C0] yealink 2-1:36.0: unexpected response 0
[  295.080321][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  295.087380][    C0] yealink 2-1:36.0: unexpected response 0
[  295.096244][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  295.103290][    C0] yealink 2-1:36.0: unexpected response 0
[  295.112075][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  295.119055][    C0] yealink 2-1:36.0: unexpected response 0
[  295.127806][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  295.134784][    C0] yealink 2-1:36.0: unexpected response 0
[  295.143694][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  295.150843][    C0] yealink 2-1:36.0: unexpected response 0
[  295.159592][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  295.166563][    C0] yealink 2-1:36.0: unexpected response 0
[  295.175693][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  295.182691][    C0] yealink 2-1:36.0: unexpected response 0
[  295.191461][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  295.198433][    C0] yealink 2-1:36.0: unexpected response 0
[  295.207173][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  295.214131][    C0] yealink 2-1:36.0: unexpected response 0
[  295.222909][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  295.229913][    C0] yealink 2-1:36.0: unexpected response 0
[  295.238698][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  295.245688][    C0] yealink 2-1:36.0: unexpected response 0
[  295.254449][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  295.261435][    C0] yealink 2-1:36.0: unexpected response 0
[  295.270232][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  295.277200][    C0] yealink 2-1:36.0: unexpected response 0
[  295.285945][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  295.292916][    C0] yealink 2-1:36.0: unexpected response 0
[  295.301682][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  295.308729][    C0] yealink 2-1:36.0: unexpected response 0
[  295.317566][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  295.324522][    C0] yealink 2-1:36.0: unexpected response 0
[  295.333205][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  295.340152][    C0] yealink 2-1:36.0: unexpected response 0
[  295.349111][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  295.356095][    C0] yealink 2-1:36.0: unexpected response 0
[  295.365200][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  295.372091][    C0] yealink 2-1:36.0: unexpected response 0
[  295.380879][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  295.388033][    C0] yealink 2-1:36.0: unexpected response 0
[  295.396983][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  295.404040][    C0] yealink 2-1:36.0: unexpected response 0
[  295.412874][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  295.419878][    C0] yealink 2-1:36.0: unexpected response 0
[  295.428744][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  295.435749][    C0] yealink 2-1:36.0: unexpected response 0
[  295.444690][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  295.451695][    C0] yealink 2-1:36.0: unexpected response 0
[  295.460441][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  295.467482][    C0] yealink 2-1:36.0: unexpected response 0
[  295.476432][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  295.483438][    C0] yealink 2-1:36.0: unexpected response 0
[  295.492252][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  295.499236][    C0] yealink 2-1:36.0: unexpected response 0
[  295.508087][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  295.515212][    C0] yealink 2-1:36.0: unexpected response 0
[  295.523982][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  295.530988][    C0] yealink 2-1:36.0: unexpected response 0
[  295.539742][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  295.546704][    C0] yealink 2-1:36.0: unexpected response 0
[  295.555581][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  295.562565][    C0] yealink 2-1:36.0: unexpected response 0
[  295.571423][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  295.578375][    C0] yealink 2-1:36.0: unexpected response 0
[  295.587111][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  295.594272][    C0] yealink 2-1:36.0: unexpected response 0
[  295.602999][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  295.610024][    C0] yealink 2-1:36.0: unexpected response 0
[  295.619047][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  295.626004][    C0] yealink 2-1:36.0: unexpected response 0
[  295.634774][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  295.641709][    C0] yealink 2-1:36.0: unexpected response 0
[  295.650437][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  295.657422][    C0] yealink 2-1:36.0: unexpected response 0
[  295.666154][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  295.673202][    C0] yealink 2-1:36.0: unexpected response 0
[  295.682017][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  295.688996][    C0] yealink 2-1:36.0: unexpected response 0
[  295.697795][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  295.704786][    C0] yealink 2-1:36.0: unexpected response 0
[  295.713576][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  295.720722][    C0] yealink 2-1:36.0: unexpected response 0
[  295.729622][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  295.736637][    C0] yealink 2-1:36.0: unexpected response 0
[  295.745478][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  295.752441][    C0] yealink 2-1:36.0: unexpected response 0
[  295.761367][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  295.768454][    C0] yealink 2-1:36.0: unexpected response 0
[  295.777407][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  295.784371][    C0] yealink 2-1:36.0: unexpected response 0
[  295.793099][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  295.800107][    C0] yealink 2-1:36.0: unexpected response 0
[  295.808964][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  295.815925][    C0] yealink 2-1:36.0: unexpected response 0
[  295.824678][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  295.831894][    C0] yealink 2-1:36.0: unexpected response 0
[  295.840649][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  295.847657][    C0] yealink 2-1:36.0: unexpected response 0
[  295.856450][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  295.863518][    C0] yealink 2-1:36.0: unexpected response 0
[  295.872211][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  295.879274][    C0] yealink 2-1:36.0: unexpected response 0
[  295.888115][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  295.895485][    C0] yealink 2-1:36.0: unexpected response 0
[  295.904242][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  295.911323][    C0] yealink 2-1:36.0: unexpected response 0
[  295.920070][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  295.927126][    C0] yealink 2-1:36.0: unexpected response 0
[  295.935998][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  295.942944][    C0] yealink 2-1:36.0: unexpected response 0
[  295.951682][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  295.958734][    C0] yealink 2-1:36.0: unexpected response 0
[  295.967503][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  295.974622][    C0] yealink 2-1:36.0: unexpected response 0
[  295.983404][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  295.990387][    C0] yealink 2-1:36.0: unexpected response 0
[  295.999217][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  296.006170][    C0] yealink 2-1:36.0: unexpected response 0
[  296.014948][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  296.021914][    C0] yealink 2-1:36.0: unexpected response 0
[  296.030831][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  296.037877][    C0] yealink 2-1:36.0: unexpected response 0
[  296.046612][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  296.053603][    C0] yealink 2-1:36.0: unexpected response 0
[  296.062290][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  296.069468][    C0] yealink 2-1:36.0: unexpected response 0
[  296.078345][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  296.085576][    C0] yealink 2-1:36.0: unexpected response 0
[  296.094322][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  296.101293][    C0] yealink 2-1:36.0: unexpected response 0
[  296.110045][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  296.117091][    C0] yealink 2-1:36.0: unexpected response 0
[  296.125872][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  296.132919][    C0] yealink 2-1:36.0: unexpected response 0
[  296.141829][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  296.148861][    C0] yealink 2-1:36.0: unexpected response 0
[  296.157808][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  296.164879][    C0] yealink 2-1:36.0: unexpected response 0
[  296.173640][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  296.180605][    C0] yealink 2-1:36.0: unexpected response 0
[  296.189414][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  296.196373][    C0] yealink 2-1:36.0: unexpected response 0
[  296.205098][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  296.212543][    C0] yealink 2-1:36.0: unexpected response 0
[  296.221325][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  296.228282][    C0] yealink 2-1:36.0: unexpected response 0
[  296.237062][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  296.244099][    C0] yealink 2-1:36.0: unexpected response 0
[  296.252792][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  296.259767][    C0] yealink 2-1:36.0: unexpected response 0
[  296.268528][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  296.275521][    C0] yealink 2-1:36.0: unexpected response 0
[  296.284275][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  296.291161][    C0] yealink 2-1:36.0: unexpected response 0
[  296.299887][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  296.306832][    C0] yealink 2-1:36.0: unexpected response 0
[  296.315584][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  296.322609][    C0] yealink 2-1:36.0: unexpected response 0
[  296.331431][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  296.338374][    C0] yealink 2-1:36.0: unexpected response 0
[  296.347106][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  296.354045][    C0] yealink 2-1:36.0: unexpected response 0
[  296.362726][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  296.369729][    C0] yealink 2-1:36.0: unexpected response 0
[  296.378499][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  296.385537][    C0] yealink 2-1:36.0: unexpected response 0
[  296.394391][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  296.401314][    C0] yealink 2-1:36.0: unexpected response 0
[  296.410054][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  296.417009][    C0] yealink 2-1:36.0: unexpected response 0
[  296.425755][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  296.432787][    C0] yealink 2-1:36.0: unexpected response 0
[  296.441558][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  296.448550][    C0] yealink 2-1:36.0: unexpected response 0
[  296.457410][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  296.464379][    C0] yealink 2-1:36.0: unexpected response 0
[  296.473157][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  296.480121][    C0] yealink 2-1:36.0: unexpected response 0
[  296.488900][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  296.495889][    C0] yealink 2-1:36.0: unexpected response 0
[  296.504639][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  296.511537][    C0] yealink 2-1:36.0: unexpected response 0
[  296.520375][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  296.527386][    C0] yealink 2-1:36.0: unexpected response 0
[  296.536309][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  296.543342][    C0] yealink 2-1:36.0: unexpected response 0
[  296.552123][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  296.559092][    C0] yealink 2-1:36.0: unexpected response 0
[  296.567937][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  296.574880][    C0] yealink 2-1:36.0: unexpected response 0
[  296.583633][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  296.590541][    C0] yealink 2-1:36.0: unexpected response 0
[  296.599313][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  296.606256][    C0] yealink 2-1:36.0: unexpected response 0
[  296.615004][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  296.621940][    C0] yealink 2-1:36.0: unexpected response 0
[  296.630685][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  296.637763][    C0] yealink 2-1:36.0: unexpected response 0
[  296.646580][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  296.653618][    C0] yealink 2-1:36.0: unexpected response 0
[  296.662317][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  296.669264][    C0] yealink 2-1:36.0: unexpected response 0
[  296.678122][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  296.685071][    C0] yealink 2-1:36.0: unexpected response 0
[  296.693921][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  296.700858][    C0] yealink 2-1:36.0: unexpected response 0
[  296.709646][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  296.716750][    C0] yealink 2-1:36.0: unexpected response 0
[  296.725488][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  296.732458][    C0] yealink 2-1:36.0: unexpected response 0
[  296.741366][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  296.748323][    C0] yealink 2-1:36.0: unexpected response 0
[  296.757085][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  296.764353][    C0] yealink 2-1:36.0: unexpected response 0
[  296.773191][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  296.780169][    C0] yealink 2-1:36.0: unexpected response 0
[  296.788916][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  296.795869][    C0] yealink 2-1:36.0: unexpected response 0
[  296.804733][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  296.811623][    C0] yealink 2-1:36.0: unexpected response 0
[  296.820380][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  296.827312][    C0] yealink 2-1:36.0: unexpected response 0
[  296.836046][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  296.843327][    C0] yealink 2-1:36.0: unexpected response 0
[  296.852298][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  296.859295][    C0] yealink 2-1:36.0: unexpected response 0
[  296.868087][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  296.875057][    C0] yealink 2-1:36.0: unexpected response 0
[  296.883834][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  296.890739][    C0] yealink 2-1:36.0: unexpected response 0
[  296.899486][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  296.906513][    C0] yealink 2-1:36.0: unexpected response 0
[  296.915359][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  296.922287][    C0] yealink 2-1:36.0: unexpected response 0
[  296.931085][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  296.938408][    C0] yealink 2-1:36.0: unexpected response 0
[  296.947171][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  296.954125][    C0] yealink 2-1:36.0: unexpected response 0
[  296.962901][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  296.969848][    C0] yealink 2-1:36.0: unexpected response 0
[  296.978657][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  296.985738][    C0] yealink 2-1:36.0: unexpected response 0
[  296.994504][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  297.001489][    C0] yealink 2-1:36.0: unexpected response 0
[  297.010228][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  297.017182][    C0] yealink 2-1:36.0: unexpected response 0
[  297.025957][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  297.032919][    C0] yealink 2-1:36.0: unexpected response 0
[  297.041676][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  297.048630][    C0] yealink 2-1:36.0: unexpected response 0
[  297.057447][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  297.064471][    C0] yealink 2-1:36.0: unexpected response 0
[  297.073169][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  297.080107][    C0] yealink 2-1:36.0: unexpected response 0
[  297.088848][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  297.095892][    C0] yealink 2-1:36.0: unexpected response 0
[  297.104660][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  297.111545][    C0] yealink 2-1:36.0: unexpected response 0
[  297.120280][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  297.127238][    C0] yealink 2-1:36.0: unexpected response 0
[  297.135992][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  297.142935][    C0] yealink 2-1:36.0: unexpected response 0
[  297.151960][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  297.158949][    C0] yealink 2-1:36.0: unexpected response 0
[  297.167723][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  297.174674][    C0] yealink 2-1:36.0: unexpected response 0
[  297.183361][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  297.190332][    C0] yealink 2-1:36.0: unexpected response 0
[  297.199068][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  297.206012][    C0] yealink 2-1:36.0: unexpected response 0
[  297.214743][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  297.221668][    C0] yealink 2-1:36.0: unexpected response 0
[  297.230403][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  297.237464][    C0] yealink 2-1:36.0: unexpected response 0
[  297.246336][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  297.253313][    C0] yealink 2-1:36.0: unexpected response 0
[  297.262458][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  297.269408][    C0] yealink 2-1:36.0: unexpected response 0
[  297.278271][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  297.285262][    C0] yealink 2-1:36.0: unexpected response 0
[  297.294094][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  297.301327][    C0] yealink 2-1:36.0: unexpected response 0
[  297.310075][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  297.317111][    C0] yealink 2-1:36.0: unexpected response 0
[  297.325854][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  297.332826][    C0] yealink 2-1:36.0: unexpected response 0
[  297.341571][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  297.348557][    C0] yealink 2-1:36.0: unexpected response 0
[  297.357380][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  297.364346][    C0] yealink 2-1:36.0: unexpected response 0
[  297.373028][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  297.379983][    C0] yealink 2-1:36.0: unexpected response 0
[  297.388838][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  297.395795][    C0] yealink 2-1:36.0: unexpected response 0
[  297.404564][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  297.411522][    C0] yealink 2-1:36.0: unexpected response 0
[  297.420300][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  297.427275][    C0] yealink 2-1:36.0: unexpected response 0
[  297.436027][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  297.442958][    C0] yealink 2-1:36.0: unexpected response 0
[  297.451738][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  297.458744][    C0] yealink 2-1:36.0: unexpected response 0
[  297.467648][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  297.474951][    C0] yealink 2-1:36.0: unexpected response 0
[  297.483721][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  297.490679][    C0] yealink 2-1:36.0: unexpected response 0
[  297.499441][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  297.506485][    C0] yealink 2-1:36.0: unexpected response 0
[  297.515256][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  297.522189][    C0] yealink 2-1:36.0: unexpected response 0
[  297.530952][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  297.537946][    C0] yealink 2-1:36.0: unexpected response 0
[  297.546679][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  297.553655][    C0] yealink 2-1:36.0: unexpected response 0
[  297.562602][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  297.569536][    C0] yealink 2-1:36.0: unexpected response 0
[  297.578391][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  297.585510][    C0] yealink 2-1:36.0: unexpected response 0
[  297.594268][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  297.601150][    C0] yealink 2-1:36.0: unexpected response 0
[  297.609970][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  297.616932][    C0] yealink 2-1:36.0: unexpected response 0
[  297.625798][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  297.632840][    C0] yealink 2-1:36.0: unexpected response 0
[  297.641656][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  297.648623][    C0] yealink 2-1:36.0: unexpected response 0
[  297.657538][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  297.664570][    C0] yealink 2-1:36.0: unexpected response 0
[  297.673386][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  297.680437][    C0] yealink 2-1:36.0: unexpected response 0
[  297.689201][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  297.696237][    C0] yealink 2-1:36.0: unexpected response 0
[  297.705139][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  297.712193][    C0] yealink 2-1:36.0: unexpected response 0
[  297.722911][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  297.729874][    C0] yealink 2-1:36.0: unexpected response 0
[  297.738677][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  297.745702][    C0] yealink 2-1:36.0: unexpected response 0
[  297.754474][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  297.761444][    C0] yealink 2-1:36.0: unexpected response 0
[  297.770369][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  297.777330][    C0] yealink 2-1:36.0: unexpected response 0
[  297.786287][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  297.793284][    C0] yealink 2-1:36.0: unexpected response 0
[  297.802068][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  297.809030][    C0] yealink 2-1:36.0: unexpected response 0
[  297.815961][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  297.821811][    C0] yealink 2-1:36.0: unexpected response 0
[  297.831607][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  297.837544][    C0] yealink 2-1:36.0: unexpected response 0
** 2 printk messages dropped **
[  297.853441][    C0] yealink 2-1:36.0: unexpected response 0
[  297.863274][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  297.869193][    C0] yealink 2-1:36.0: unexpected response 0
[  297.879001][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  297.884914][    C0] yealink 2-1:36.0: unexpected response 0
[  297.894707][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  297.900606][    C0] yealink 2-1:36.0: unexpected response 0
[  297.910443][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  297.916467][    C0] yealink 2-1:36.0: unexpected response 0
[  297.926291][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  297.932378][    C0] yealink 2-1:36.0: unexpected response 0
[  297.942290][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  297.948194][    C0] yealink 2-1:36.0: unexpected response 0
[  297.958150][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  297.964141][    C0] yealink 2-1:36.0: unexpected response 0
[  297.974200][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  297.980184][    C0] yealink 2-1:36.0: unexpected response 0
[  297.989964][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  297.995971][    C0] yealink 2-1:36.0: unexpected response 0
[  298.005928][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  298.011872][    C0] yealink 2-1:36.0: unexpected response 0
[  298.021746][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  298.027661][    C0] yealink 2-1:36.0: unexpected response 0
[  298.037480][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  298.043524][    C0] yealink 2-1:36.0: unexpected response 0
[  298.053273][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  298.059374][    C0] yealink 2-1:36.0: unexpected response 0
[  298.069174][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  298.075074][    C0] yealink 2-1:36.0: unexpected response 0
[  298.085118][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  298.090951][    C0] yealink 2-1:36.0: unexpected response 0
[  298.100897][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  298.106891][    C0] yealink 2-1:36.0: unexpected response 0
[  298.116690][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  298.122663][    C0] yealink 2-1:36.0: unexpected response 0
[  298.132711][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  298.138621][    C0] yealink 2-1:36.0: unexpected response 0
[  298.148404][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  298.154307][    C0] yealink 2-1:36.0: unexpected response 0
[  298.164391][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  298.170439][    C0] yealink 2-1:36.0: unexpected response 0
[  298.180417][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  298.186399][    C0] yealink 2-1:36.0: unexpected response 0
[  298.196389][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  298.202300][    C0] yealink 2-1:36.0: unexpected response 0
[  298.212086][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  298.218016][    C0] yealink 2-1:36.0: unexpected response 0
[  298.227795][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  298.233725][    C0] yealink 2-1:36.0: unexpected response 0
[  298.243600][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  298.249548][    C0] yealink 2-1:36.0: unexpected response 0
[  298.259430][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  298.265389][    C0] yealink 2-1:36.0: unexpected response 0
[  298.275178][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  298.281095][    C0] yealink 2-1:36.0: unexpected response 0
[  298.290902][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  298.296970][    C0] yealink 2-1:36.0: unexpected response 0
[  298.306804][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  298.312705][    C0] yealink 2-1:36.0: unexpected response 0
[  298.322496][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  298.328443][    C0] yealink 2-1:36.0: unexpected response 0
[  298.338236][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  298.344160][    C0] yealink 2-1:36.0: unexpected response 0
[  298.353962][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  298.359851][    C0] yealink 2-1:36.0: unexpected response 0
[  298.369722][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  298.375689][    C0] yealink 2-1:36.0: unexpected response 0
[  298.385566][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  298.391466][    C0] yealink 2-1:36.0: unexpected response 0
[  298.401367][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  298.407302][    C0] yealink 2-1:36.0: unexpected response 0
[  298.417383][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  298.423332][    C0] yealink 2-1:36.0: unexpected response 0
[  298.433289][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  298.433689][    C0] yealink 2-1:36.0: unexpected response 0
[  298.443512][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  298.449584][    C0] yealink 2-1:36.0: unexpected response 0
[  298.459382][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  298.465338][    C0] yealink 2-1:36.0: unexpected response 0
[  298.475138][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  298.481047][    C0] yealink 2-1:36.0: unexpected response 0
[  298.490945][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  298.497040][    C0] yealink 2-1:36.0: unexpected response 0
[  298.506818][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  298.512748][    C0] yealink 2-1:36.0: unexpected response 0
[  298.522538][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  298.528456][    C0] yealink 2-1:36.0: unexpected response 0
[  298.538256][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  298.544378][    C0] yealink 2-1:36.0: unexpected response 0
[  298.554173][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  298.560072][    C0] yealink 2-1:36.0: unexpected response 0
[  298.570045][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  298.576080][    C0] yealink 2-1:36.0: unexpected response 0
[  298.585980][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  298.592061][    C0] yealink 2-1:36.0: unexpected response 0
[  298.601891][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  298.607901][    C0] yealink 2-1:36.0: unexpected response 0
[  298.617690][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  298.623652][    C0] yealink 2-1:36.0: unexpected response 0
[  298.633411][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  298.639370][    C0] yealink 2-1:36.0: unexpected response 0
[  298.649150][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  298.655085][    C0] yealink 2-1:36.0: unexpected response 0
[  298.664900][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  298.670925][    C0] yealink 2-1:36.0: unexpected response 0
[  298.680846][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  298.686962][    C0] yealink 2-1:36.0: unexpected response 0
[  298.696772][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  298.702664][    C0] yealink 2-1:36.0: unexpected response 0
[  298.712449][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  298.718454][    C0] yealink 2-1:36.0: unexpected response 0
[  298.728241][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  298.734238][    C0] yealink 2-1:36.0: unexpected response 0
[  298.744027][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  298.749940][    C0] yealink 2-1:36.0: unexpected response 0
[  298.759913][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  298.765843][    C0] yealink 2-1:36.0: unexpected response 0
[  298.775642][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  298.781530][    C0] yealink 2-1:36.0: unexpected response 0
[  298.791313][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  298.797304][    C0] yealink 2-1:36.0: unexpected response 0
[  298.807210][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  298.813129][    C0] yealink 2-1:36.0: unexpected response 0
[  298.822986][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  298.829031][    C0] yealink 2-1:36.0: unexpected response 0
[  298.838973][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  298.844993][    C0] yealink 2-1:36.0: unexpected response 0
[  298.854835][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  298.860764][    C0] yealink 2-1:36.0: unexpected response 0
[  298.870629][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  298.876653][    C0] yealink 2-1:36.0: unexpected response 0
[  298.886521][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  298.892428][    C0] yealink 2-1:36.0: unexpected response 0
[  298.902259][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  298.908187][    C0] yealink 2-1:36.0: unexpected response 0
[  298.917974][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  298.923915][    C0] yealink 2-1:36.0: unexpected response 0
[  298.933684][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  298.939564][    C0] yealink 2-1:36.0: unexpected response 0
[  298.949389][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  298.955321][    C0] yealink 2-1:36.0: unexpected response 0
[  298.965465][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  298.971419][    C0] yealink 2-1:36.0: unexpected response 0
[  298.981234][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  298.987173][    C0] yealink 2-1:36.0: unexpected response 0
[  298.997074][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  299.003068][    C0] yealink 2-1:36.0: unexpected response 0
[  299.013084][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  299.019035][    C0] yealink 2-1:36.0: unexpected response 0
[  299.029166][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  299.035077][    C0] yealink 2-1:36.0: unexpected response 0
[  299.044884][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  299.050878][    C0] yealink 2-1:36.0: unexpected response 0
[  299.060672][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  299.066619][    C0] yealink 2-1:36.0: unexpected response 0
[  299.076535][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  299.082421][    C0] yealink 2-1:36.0: unexpected response 0
[  299.092233][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  299.098163][    C0] yealink 2-1:36.0: unexpected response 0
[  299.107940][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  299.113928][    C0] yealink 2-1:36.0: unexpected response 0
[  299.123920][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  299.129825][    C0] yealink 2-1:36.0: unexpected response 0
[  299.139731][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  299.145640][    C0] yealink 2-1:36.0: unexpected response 0
[  299.155418][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  299.161331][    C0] yealink 2-1:36.0: unexpected response 0
[  299.171145][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  299.177095][    C0] yealink 2-1:36.0: unexpected response 0
[  299.187078][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  299.192995][    C0] yealink 2-1:36.0: unexpected response 0
[  299.202932][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  299.208950][    C0] yealink 2-1:36.0: unexpected response 0
[  299.218736][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  299.224731][    C0] yealink 2-1:36.0: unexpected response 0
[  299.234596][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  299.240502][    C0] yealink 2-1:36.0: unexpected response 0
[  299.250460][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  299.256393][    C0] yealink 2-1:36.0: unexpected response 0
[  299.266183][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  299.272249][    C0] yealink 2-1:36.0: unexpected response 0
[  299.282031][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  299.287940][    C0] yealink 2-1:36.0: unexpected response 0
[  299.297839][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  299.303788][    C0] yealink 2-1:36.0: unexpected response 0
[  299.313590][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  299.319566][    C0] yealink 2-1:36.0: unexpected response 0
[  299.329343][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  299.335277][    C0] yealink 2-1:36.0: unexpected response 0
[  299.345074][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  299.351223][    C0] yealink 2-1:36.0: unexpected response 0
[  299.361194][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  299.367115][    C0] yealink 2-1:36.0: unexpected response 0
[  299.376891][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  299.382855][    C0] yealink 2-1:36.0: unexpected response 0
[  299.392657][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  299.398693][    C0] yealink 2-1:36.0: unexpected response 0
[  299.408462][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  299.414478][    C0] yealink 2-1:36.0: unexpected response 0
[  299.424271][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  299.430206][    C0] yealink 2-1:36.0: unexpected response 0
[  299.440074][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  299.446089][    C0] yealink 2-1:36.0: unexpected response 0
[  299.455900][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  299.461891][    C0] yealink 2-1:36.0: unexpected response 0
[  299.471759][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  299.477736][    C0] yealink 2-1:36.0: unexpected response 0
[  299.487542][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  299.493629][    C0] yealink 2-1:36.0: unexpected response 0
[  299.503421][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  299.509492][    C0] yealink 2-1:36.0: unexpected response 0
[  299.519306][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  299.525275][    C0] yealink 2-1:36.0: unexpected response 0
[  299.535090][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  299.541025][    C0] yealink 2-1:36.0: unexpected response 0
[  299.550932][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  299.556918][    C0] yealink 2-1:36.0: unexpected response 0
[  299.566765][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  299.572705][    C0] yealink 2-1:36.0: unexpected response 0
[  299.582599][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  299.588548][    C0] yealink 2-1:36.0: unexpected response 0
[  299.598365][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  299.604535][    C0] yealink 2-1:36.0: unexpected response 0
[  299.614345][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  299.620323][    C0] yealink 2-1:36.0: unexpected response 0
[  299.630150][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  299.636260][    C0] yealink 2-1:36.0: unexpected response 0
[  299.646069][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  299.651981][    C0] yealink 2-1:36.0: unexpected response 0
[  299.661974][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  299.667992][    C0] yealink 2-1:36.0: unexpected response 0
[  299.677892][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  299.683837][    C0] yealink 2-1:36.0: unexpected response 0
[  299.693639][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  299.699536][    C0] yealink 2-1:36.0: unexpected response 0
[  299.709407][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  299.715317][    C0] yealink 2-1:36.0: unexpected response 0
[  299.725082][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  299.730960][    C0] yealink 2-1:36.0: unexpected response 0
[  299.740837][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  299.746736][    C0] yealink 2-1:36.0: unexpected response 0
[  299.756582][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  299.762606][    C0] yealink 2-1:36.0: unexpected response 0
[  299.772508][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  299.778430][    C0] yealink 2-1:36.0: unexpected response 0
[  299.788257][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  299.794184][    C0] yealink 2-1:36.0: unexpected response 0
[  299.803963][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  299.809887][    C0] yealink 2-1:36.0: unexpected response 0
[  299.819673][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  299.825594][    C0] yealink 2-1:36.0: unexpected response 0
[  299.835362][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  299.841335][    C0] yealink 2-1:36.0: unexpected response 0
[  299.851220][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  299.857128][    C0] yealink 2-1:36.0: unexpected response 0
[  299.866929][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  299.872904][    C0] yealink 2-1:36.0: unexpected response 0
[  299.882701][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  299.888603][    C0] yealink 2-1:36.0: unexpected response 0
[  299.898438][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  299.904494][    C0] yealink 2-1:36.0: unexpected response 0
[  299.914304][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  299.920198][    C0] yealink 2-1:36.0: unexpected response 0
[  299.929975][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  299.935918][    C0] yealink 2-1:36.0: unexpected response 0
[  299.945696][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  299.951581][    C0] yealink 2-1:36.0: unexpected response 0
[  299.961356][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  299.967260][    C0] yealink 2-1:36.0: unexpected response 0
[  299.977036][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  299.982920][    C0] yealink 2-1:36.0: unexpected response 0
[  299.992702][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  299.998608][    C0] yealink 2-1:36.0: unexpected response 0
[  300.008406][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  300.014298][    C0] yealink 2-1:36.0: unexpected response 0
[  300.024128][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  300.030017][    C0] yealink 2-1:36.0: unexpected response 0
[  300.039809][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  300.045708][    C0] yealink 2-1:36.0: unexpected response 0
[  300.055535][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  300.061558][    C0] yealink 2-1:36.0: unexpected response 0
[  300.071351][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  300.077414][    C0] yealink 2-1:36.0: unexpected response 0
[  300.087316][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  300.093226][    C0] yealink 2-1:36.0: unexpected response 0
[  300.103035][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  300.108944][    C0] yealink 2-1:36.0: unexpected response 0
[  300.118735][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  300.124704][    C0] yealink 2-1:36.0: unexpected response 0
[  300.134615][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  300.140669][    C0] yealink 2-1:36.0: unexpected response 0
[  300.150491][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  300.156523][    C0] yealink 2-1:36.0: unexpected response 0
[  300.166347][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  300.172248][    C0] yealink 2-1:36.0: unexpected response 0
[  300.182122][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  300.188141][    C0] yealink 2-1:36.0: unexpected response 0
[  300.197912][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  300.204017][    C0] yealink 2-1:36.0: unexpected response 0
[  300.213976][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  300.219959][    C0] yealink 2-1:36.0: unexpected response 0
[  300.229743][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  300.235651][    C0] yealink 2-1:36.0: unexpected response 0
[  300.245460][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  300.251397][    C0] yealink 2-1:36.0: unexpected response 0
[  300.261301][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  300.267274][    C0] yealink 2-1:36.0: unexpected response 0
[  300.277073][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  300.282965][    C0] yealink 2-1:36.0: unexpected response 0
[  300.293038][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  300.298954][    C0] yealink 2-1:36.0: unexpected response 0
[  300.308888][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  300.314848][    C0] yealink 2-1:36.0: unexpected response 0
[  300.324633][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  300.330669][    C0] yealink 2-1:36.0: unexpected response 0
[  300.340531][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  300.346449][    C0] yealink 2-1:36.0: unexpected response 0
[  300.356225][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  300.362219][    C0] yealink 2-1:36.0: unexpected response 0
[  300.372005][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  300.377962][    C0] yealink 2-1:36.0: unexpected response 0
[  300.387752][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  300.393675][    C0] yealink 2-1:36.0: unexpected response 0
[  300.403454][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  300.409359][    C0] yealink 2-1:36.0: unexpected response 0
[  300.419178][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  300.425134][    C0] yealink 2-1:36.0: unexpected response 0
[  300.434922][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  300.440938][    C0] yealink 2-1:36.0: unexpected response 0
[  300.450740][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  300.456659][    C0] yealink 2-1:36.0: unexpected response 0
[  300.466540][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  300.472442][    C0] yealink 2-1:36.0: unexpected response 0
[  300.482277][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  300.488324][    C0] yealink 2-1:36.0: unexpected response 0
[  300.498199][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  300.504240][    C0] yealink 2-1:36.0: unexpected response 0
[  300.514285][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  300.520398][    C0] yealink 2-1:36.0: unexpected response 0
[  300.530191][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  300.536175][    C0] yealink 2-1:36.0: unexpected response 0
[  300.545967][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  300.551859][    C0] yealink 2-1:36.0: unexpected response 0
[  300.561659][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  300.567883][    C0] yealink 2-1:36.0: unexpected response 0
[  300.577704][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  300.583666][    C0] yealink 2-1:36.0: unexpected response 0
[  300.593487][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  300.599519][    C0] yealink 2-1:36.0: unexpected response 0
[  300.609374][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  300.615382][    C0] yealink 2-1:36.0: unexpected response 0
[  300.625177][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  300.631088][    C0] yealink 2-1:36.0: unexpected response 0
[  300.640968][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  300.646876][    C0] yealink 2-1:36.0: unexpected response 0
[  300.656663][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  300.662616][    C0] yealink 2-1:36.0: unexpected response 0
[  300.672434][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  300.678476][    C0] yealink 2-1:36.0: unexpected response 0
[  300.688326][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  300.694337][    C0] yealink 2-1:36.0: unexpected response 0
[  300.704211][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  300.710138][    C0] yealink 2-1:36.0: unexpected response 0
[  300.719949][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  300.725878][    C0] yealink 2-1:36.0: unexpected response 0
[  300.735775][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  300.741724][    C0] yealink 2-1:36.0: unexpected response 0
[  300.751559][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  300.757515][    C0] yealink 2-1:36.0: unexpected response 0
[  300.767406][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  300.773320][    C0] yealink 2-1:36.0: unexpected response 0
[  300.783152][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  300.789078][    C0] yealink 2-1:36.0: unexpected response 0
[  300.798878][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  300.804787][    C0] yealink 2-1:36.0: unexpected response 0
[  300.814574][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  300.820447][    C0] yealink 2-1:36.0: unexpected response 0
[  300.830219][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  300.836141][    C0] yealink 2-1:36.0: unexpected response 0
[  300.846018][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  300.851902][    C0] yealink 2-1:36.0: unexpected response 0
[  300.861717][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  300.867630][    C0] yealink 2-1:36.0: unexpected response 0
[  300.877468][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  300.883418][    C0] yealink 2-1:36.0: unexpected response 0
[  300.893271][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  300.899223][    C0] yealink 2-1:36.0: unexpected response 0
[  300.909077][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  300.915106][    C0] yealink 2-1:36.0: unexpected response 0
[  300.924953][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  300.930799][    C0] yealink 2-1:36.0: unexpected response 0
[  300.940596][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  300.946551][    C0] yealink 2-1:36.0: unexpected response 0
[  300.956339][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  300.962261][    C0] yealink 2-1:36.0: unexpected response 0
[  300.972224][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  300.978127][    C0] yealink 2-1:36.0: unexpected response 0
[  300.987936][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  300.993868][    C0] yealink 2-1:36.0: unexpected response 0
[  301.003682][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  301.009771][    C0] yealink 2-1:36.0: unexpected response 0
[  301.019674][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  301.025600][    C0] yealink 2-1:36.0: unexpected response 0
[  301.035385][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  301.041284][    C0] yealink 2-1:36.0: unexpected response 0
[  301.051174][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  301.057095][    C0] yealink 2-1:36.0: unexpected response 0
[  301.066873][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  301.072848][    C0] yealink 2-1:36.0: unexpected response 0
[  301.082778][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  301.088821][    C0] yealink 2-1:36.0: unexpected response 0
[  301.099029][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  301.105036][    C0] yealink 2-1:36.0: unexpected response 0
[  301.114875][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  301.120866][    C0] yealink 2-1:36.0: unexpected response 0
[  301.130744][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  301.136663][    C0] yealink 2-1:36.0: unexpected response 0
[  301.146454][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  301.152350][    C0] yealink 2-1:36.0: unexpected response 0
[  301.162147][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  301.168058][    C0] yealink 2-1:36.0: unexpected response 0
[  301.177943][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  301.183851][    C0] yealink 2-1:36.0: unexpected response 0
[  301.193639][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  301.199606][    C0] yealink 2-1:36.0: unexpected response 0
[  301.209386][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  301.215304][    C0] yealink 2-1:36.0: unexpected response 0
[  301.225130][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  301.231014][    C0] yealink 2-1:36.0: unexpected response 0
[  301.240806][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  301.246889][    C0] yealink 2-1:36.0: unexpected response 0
[  301.256694][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  301.262599][    C0] yealink 2-1:36.0: unexpected response 0
[  301.272578][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  301.278743][    C0] yealink 2-1:36.0: unexpected response 0
[  301.288552][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  301.294498][    C0] yealink 2-1:36.0: unexpected response 0
[  301.304361][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  301.310312][    C0] yealink 2-1:36.0: unexpected response 0
[  301.320103][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  301.326162][    C0] yealink 2-1:36.0: unexpected response 0
[  301.336108][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  301.342069][    C0] yealink 2-1:36.0: unexpected response 0
[  301.351859][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  301.357792][    C0] yealink 2-1:36.0: unexpected response 0
[  301.367572][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  301.373523][    C0] yealink 2-1:36.0: unexpected response 0
[  301.383395][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  301.389335][    C0] yealink 2-1:36.0: unexpected response 0
[  301.399468][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  301.405411][    C0] yealink 2-1:36.0: unexpected response 0
[  301.415224][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  301.421115][    C0] yealink 2-1:36.0: unexpected response 0
[  301.430915][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  301.436828][    C0] yealink 2-1:36.0: unexpected response 0
[  301.447043][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  301.453144][    C0] yealink 2-1:36.0: unexpected response 0
[  301.462958][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  301.468971][    C0] yealink 2-1:36.0: unexpected response 0
[  301.478787][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  301.484700][    C0] yealink 2-1:36.0: unexpected response 0
[  301.494579][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  301.500717][    C0] yealink 2-1:36.0: unexpected response 0
[  301.510505][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  301.516480][    C0] yealink 2-1:36.0: unexpected response 0
[  301.526263][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  301.532186][    C0] yealink 2-1:36.0: unexpected response 0
[  301.541983][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  301.547900][    C0] yealink 2-1:36.0: unexpected response 0
[  301.557694][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  301.563597][    C0] yealink 2-1:36.0: unexpected response 0
[  301.573327][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  301.579270][    C0] yealink 2-1:36.0: unexpected response 0
[  301.589144][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  301.595051][    C0] yealink 2-1:36.0: unexpected response 0
[  301.604835][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  301.611174][    C0] yealink 2-1:36.0: unexpected response 0
[  301.621000][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  301.626945][    C0] yealink 2-1:36.0: unexpected response 0
[  301.636785][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  301.642728][    C0] yealink 2-1:36.0: unexpected response 0
[  301.652647][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  301.658574][    C0] yealink 2-1:36.0: unexpected response 0
[  301.668621][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  301.674709][    C0] yealink 2-1:36.0: unexpected response 0
[  301.684668][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  301.690585][    C0] yealink 2-1:36.0: unexpected response 0
[  301.700558][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  301.706533][    C0] yealink 2-1:36.0: unexpected response 0
[  301.716327][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  301.722331][    C0] yealink 2-1:36.0: unexpected response 0
[  301.732383][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  301.738319][    C0] yealink 2-1:36.0: unexpected response 0
[  301.748093][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  301.754072][    C0] yealink 2-1:36.0: unexpected response 0
[  301.763979][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  301.769937][    C0] yealink 2-1:36.0: unexpected response 0
[  301.779785][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  301.785732][    C0] yealink 2-1:36.0: unexpected response 0
[  301.795544][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  301.801455][    C0] yealink 2-1:36.0: unexpected response 0
[  301.811342][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  301.817277][    C0] yealink 2-1:36.0: unexpected response 0
[  301.827189][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  301.833139][    C0] yealink 2-1:36.0: unexpected response 0
[  301.843049][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  301.848959][    C0] yealink 2-1:36.0: unexpected response 0
[  301.858861][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  301.864964][    C0] yealink 2-1:36.0: unexpected response 0
[  301.874752][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  301.880655][    C0] yealink 2-1:36.0: unexpected response 0
[  301.890575][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  301.896523][    C0] yealink 2-1:36.0: unexpected response 0
[  301.906494][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  301.912487][    C0] yealink 2-1:36.0: unexpected response 0
[  301.922280][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  301.928238][    C0] yealink 2-1:36.0: unexpected response 0
[  301.938020][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  301.943937][    C0] yealink 2-1:36.0: unexpected response 0
[  301.953903][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  301.959824][    C0] yealink 2-1:36.0: unexpected response 0
[  301.969602][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  301.975514][    C0] yealink 2-1:36.0: unexpected response 0
[  301.985384][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  301.991314][    C0] yealink 2-1:36.0: unexpected response 0
[  302.001245][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  302.007165][    C0] yealink 2-1:36.0: unexpected response 0
[  302.017001][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  302.022904][    C0] yealink 2-1:36.0: unexpected response 0
[  302.032833][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  302.038757][    C0] yealink 2-1:36.0: unexpected response 0
[  302.048521][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  302.054468][    C0] yealink 2-1:36.0: unexpected response 0
[  302.064230][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  302.070226][    C0] yealink 2-1:36.0: unexpected response 0
[  302.080026][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  302.086068][    C0] yealink 2-1:36.0: unexpected response 0
[  302.095929][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  302.102076][    C0] yealink 2-1:36.0: unexpected response 0
[  302.111876][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  302.117805][    C0] yealink 2-1:36.0: unexpected response 0
[  302.127655][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  302.133637][    C0] yealink 2-1:36.0: unexpected response 0
[  302.143536][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  302.149449][    C0] yealink 2-1:36.0: unexpected response 0
[  302.159260][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  302.165254][    C0] yealink 2-1:36.0: unexpected response 0
[  302.175048][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  302.181073][    C0] yealink 2-1:36.0: unexpected response 0
[  302.191581][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  302.197506][    C0] yealink 2-1:36.0: unexpected response 0
[  302.207460][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  302.213612][    C0] yealink 2-1:36.0: unexpected response 0
[  302.223432][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  302.229382][    C0] yealink 2-1:36.0: unexpected response 0
[  302.239180][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  302.245086][    C0] yealink 2-1:36.0: unexpected response 0
[  302.254898][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  302.260899][    C0] yealink 2-1:36.0: unexpected response 0
[  302.270706][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  302.276614][    C0] yealink 2-1:36.0: unexpected response 0
[  302.286504][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  302.292448][    C0] yealink 2-1:36.0: unexpected response 0
[  302.302290][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  302.308220][    C0] yealink 2-1:36.0: unexpected response 0
[  302.318304][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  302.324245][    C0] yealink 2-1:36.0: unexpected response 0
[  302.334017][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  302.339939][    C0] yealink 2-1:36.0: unexpected response 0
[  302.349861][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  302.355778][    C0] yealink 2-1:36.0: unexpected response 0
[  302.365547][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  302.371430][    C0] yealink 2-1:36.0: unexpected response 0
[  302.381346][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  302.387262][    C0] yealink 2-1:36.0: unexpected response 0
[  302.397119][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  302.403007][    C0] yealink 2-1:36.0: unexpected response 0
[  302.412869][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  302.418772][    C0] yealink 2-1:36.0: unexpected response 0
[  302.428543][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  302.434503][    C0] yealink 2-1:36.0: unexpected response 0
[  302.444279][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  302.450255][    C0] yealink 2-1:36.0: unexpected response 0
[  302.460130][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  302.466125][    C0] yealink 2-1:36.0: unexpected response 0
[  302.475950][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  302.481878][    C0] yealink 2-1:36.0: unexpected response 0
[  302.491691][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  302.497612][    C0] yealink 2-1:36.0: unexpected response 0
[  302.507416][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  302.513309][    C0] yealink 2-1:36.0: unexpected response 0
[  302.523151][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  302.529056][    C0] yealink 2-1:36.0: unexpected response 0
[  302.538878][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  302.544806][    C0] yealink 2-1:36.0: unexpected response 0
[  302.554606][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  302.560445][    C0] yealink 2-1:36.0: unexpected response 0
[  302.570311][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  302.576232][    C0] yealink 2-1:36.0: unexpected response 0
[  302.586092][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  302.592025][    C0] yealink 2-1:36.0: unexpected response 0
[  302.601821][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  302.607743][    C0] yealink 2-1:36.0: unexpected response 0
[  302.617616][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  302.623542][    C0] yealink 2-1:36.0: unexpected response 0
[  302.633272][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  302.639189][    C0] yealink 2-1:36.0: unexpected response 0
[  302.648977][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  302.654898][    C0] yealink 2-1:36.0: unexpected response 0
[  302.664770][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  302.670611][    C0] yealink 2-1:36.0: unexpected response 0
[  302.680731][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  302.686772][    C0] yealink 2-1:36.0: unexpected response 0
[  302.696568][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  302.702470][    C0] yealink 2-1:36.0: unexpected response 0
[  302.712299][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  302.718311][    C0] yealink 2-1:36.0: unexpected response 0
[  302.728249][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  302.734268][    C0] yealink 2-1:36.0: unexpected response 0
[  302.744055][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  302.749978][    C0] yealink 2-1:36.0: unexpected response 0
[  302.760345][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  302.766478][    C0] yealink 2-1:36.0: unexpected response 0
[  302.776298][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  302.782220][    C0] yealink 2-1:36.0: unexpected response 0
[  302.792128][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  302.798068][    C0] yealink 2-1:36.0: unexpected response 0
[  302.807939][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  302.813847][    C0] yealink 2-1:36.0: unexpected response 0
[  302.823819][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  302.829705][    C0] yealink 2-1:36.0: unexpected response 0
[  302.839641][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  302.845676][    C0] yealink 2-1:36.0: unexpected response 0
[  302.855607][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  302.861504][    C0] yealink 2-1:36.0: unexpected response 0
[  302.871405][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  302.877352][    C0] yealink 2-1:36.0: unexpected response 0
[  302.887145][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  302.893064][    C0] yealink 2-1:36.0: unexpected response 0
[  302.903013][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  302.908956][    C0] yealink 2-1:36.0: unexpected response 0
[  302.918749][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  302.924748][    C0] yealink 2-1:36.0: unexpected response 0
[  302.934532][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  302.940616][    C0] yealink 2-1:36.0: unexpected response 0
[  302.950478][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  302.956420][    C0] yealink 2-1:36.0: unexpected response 0
[  302.966306][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  302.972385][    C0] yealink 2-1:36.0: unexpected response 0
[  302.982476][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  302.988420][    C0] yealink 2-1:36.0: unexpected response 0
[  302.998209][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  303.004114][    C0] yealink 2-1:36.0: unexpected response 0
[  303.013898][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  303.019788][    C0] yealink 2-1:36.0: unexpected response 0
[  303.029570][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  303.035481][    C0] yealink 2-1:36.0: unexpected response 0
[  303.045375][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  303.051372][    C0] yealink 2-1:36.0: unexpected response 0
[  303.061192][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  303.067102][    C0] yealink 2-1:36.0: unexpected response 0
[  303.076890][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  303.082788][    C0] yealink 2-1:36.0: unexpected response 0
[  303.092740][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  303.098906][    C0] yealink 2-1:36.0: unexpected response 0
[  303.108827][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  303.114839][    C0] yealink 2-1:36.0: unexpected response 0
[  303.124653][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  303.130560][    C0] yealink 2-1:36.0: unexpected response 0
[  303.140374][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  303.146297][    C0] yealink 2-1:36.0: unexpected response 0
[  303.156140][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  303.162061][    C0] yealink 2-1:36.0: unexpected response 0
[  303.171961][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  303.177890][    C0] yealink 2-1:36.0: unexpected response 0
[  303.187759][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  303.193695][    C0] yealink 2-1:36.0: unexpected response 0
[  303.203517][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  303.209446][    C0] yealink 2-1:36.0: unexpected response 0
[  303.219273][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  303.225301][    C0] yealink 2-1:36.0: unexpected response 0
[  303.235079][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  303.240974][    C0] yealink 2-1:36.0: unexpected response 0
[  303.250754][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  303.256657][    C0] yealink 2-1:36.0: unexpected response 0
[  303.266522][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  303.272443][    C0] yealink 2-1:36.0: unexpected response 0
[  303.282305][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  303.288341][    C0] yealink 2-1:36.0: unexpected response 0
[  303.298137][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  303.304200][    C0] yealink 2-1:36.0: unexpected response 0
[  303.314097][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  303.320010][    C0] yealink 2-1:36.0: unexpected response 0
[  303.329964][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  303.335900][    C0] yealink 2-1:36.0: unexpected response 0
[  303.345702][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  303.351645][    C0] yealink 2-1:36.0: unexpected response 0
[  303.361549][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  303.367474][    C0] yealink 2-1:36.0: unexpected response 0
[  303.377256][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  303.383154][    C0] yealink 2-1:36.0: unexpected response 0
[  303.392940][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  303.398850][    C0] yealink 2-1:36.0: unexpected response 0
[  303.408650][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  303.414563][    C0] yealink 2-1:36.0: unexpected response 0
[  303.424451][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  303.430362][    C0] yealink 2-1:36.0: unexpected response 0
[  303.440213][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  303.446240][    C0] yealink 2-1:36.0: unexpected response 0
[  303.456083][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  303.462012][    C0] yealink 2-1:36.0: unexpected response 0
[  303.472265][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  303.478344][    C0] yealink 2-1:36.0: unexpected response 0
[  303.488155][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  303.494161][    C0] yealink 2-1:36.0: unexpected response 0
[  303.504158][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  303.510064][    C0] yealink 2-1:36.0: unexpected response 0
[  303.520032][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  303.525956][    C0] yealink 2-1:36.0: unexpected response 0
[  303.535763][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  303.541659][    C0] yealink 2-1:36.0: unexpected response 0
[  303.551650][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  303.557567][    C0] yealink 2-1:36.0: unexpected response 0
[  303.567449][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  303.573361][    C0] yealink 2-1:36.0: unexpected response 0
[  303.573450][    C0] rcu: INFO: rcu_preempt self-detected stall on CPU
** 1 printk messages dropped **
[  303.573729][    C0] rcu: 	         hardirqs   softirqs   csw/system
[  303.573744][    C0] rcu: 	 number:     6884       8157            0
[  303.573759][    C0] rcu: 	cputime:        0       1009        51453   ==> 52480(ms)
[  303.573780][    C0] rcu: 	(t=10500 jiffies g=34045 q=5468 ncpus=2)
** 1 printk messages dropped **
[  303.573855][    C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[  303.573877][    C0] Workqueue: usb_hub_wq hub_event
[  303.573925][    C0] RIP: 0010:_raw_spin_unlock_irqrestore+0x31/0x80
[  303.573956][    C0] Code: f5 53 48 8b 74 24 10 48 89 fb 48 83 c7 18 e8 d6 e0 28 fa 48 89 df e8 be 34 29 fa f7 c5 00 02 00 00 75 23 9c 58 f6 c4 02 75 37 <bf> 01 00 00 00 e8 85 a7 1c fa 65 8b 05 fe 2d 3a 05 85 c0 74 16 5b
[  303.573982][    C0] RSP: 0018:ffffc90000007bd0 EFLAGS: 00000246
[  303.574002][    C0] RAX: 0000000000000002 RBX: ffff88810af50000 RCX: 0000000000000002
[  303.574016][    C0] RDX: 0000000000000000 RSI: ffffffff88b03c78 RDI: ffffffff8768fc40
[  303.574031][    C0] RBP: 0000000000000246 R08: 0000000000000001 R09: 0000000000000001
[  303.574044][    C0] R10: ffffffff8a7ad0d7 R11: ffff88810afe3470 R12: ffff88811edbfc10
[  303.574060][    C0] R13: dffffc0000000000 R14: ffff88810afe3418 R15: 1ffff92000000fad
[  303.574075][    C0] FS:  0000000000000000(0000) GS:ffff888269164000(0000) knlGS:0000000000000000
[  303.574123][    C0] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  303.574138][    C0] CR2: 00007ffb3c660000 CR3: 0000000008ea4000 CR4: 00000000003506f0
[  303.574152][    C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  303.574165][    C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[  303.574180][    C0] Call Trace:
** 3 printk messages dropped **
[  303.574273][    C0]  ? debug_object_deactivate+0x1ec/0x3a0
[  303.574304][    C0]  ? debug_object_deactivate+0x1ec/0x3a0
** 2 printk messages dropped **
[  303.574375][    C0]  ? __pfx_dummy_timer+0x10/0x10
[  303.574405][    C0]  ? __pfx_dummy_timer+0x10/0x10
** 2 printk messages dropped **
[  303.574485][    C0]  ? __pfx_dummy_timer+0x10/0x10
** 1 printk messages dropped **
[  303.574547][    C0]  ? __pfx___hrtimer_run_queues+0x10/0x10
** 1 printk messages dropped **
[  303.574607][    C0]  hrtimer_run_softirq+0x17d/0x350
** 1 printk messages dropped **
[  303.574672][    C0]  ? __pfx_handle_softirqs+0x10/0x10
** 1 printk messages dropped **
[  303.574741][    C0]  irq_exit_rcu+0x9/0x30
** 1 printk messages dropped **
[  303.574801][    C0]  </IRQ>
** 2 printk messages dropped **
[  303.574842][    C0] RIP: 0010:console_flush_all+0x9a2/0xc60
** 1 printk messages dropped **
[  303.574893][    C0] RSP: 0018:ffffc900000aecb8 EFLAGS: 00000293
[  303.574909][    C0] RAX: ffffffff895d4678 RBX: 0000000000000000 RCX: ffffffff815d4eb0
[  303.574924][    C0] RDX: ffff8881016f1d00 RSI: ffffffff815d4ebe RDI: 0000000000000007
[  303.574938][    C0] RBP: 0000000000000000 R08: 0000000000000007 R09: 0000000000000000
[  303.574952][    C0] R10: 0000000000000000 R11: 0000000000000001 R12: ffffffff895d4678
[  303.574966][    C0] R13: ffffffff895d4620 R14: ffffc900000aed48 R15: dffffc0000000000
[  303.574988][    C0]  ? console_flush_all+0x990/0xc60
[  303.575016][    C0]  ? console_flush_all+0x99e/0xc60
[  303.575048][    C0]  ? console_flush_all+0x99e/0xc60
** 1 printk messages dropped **
[  303.575127][    C0]  ? is_printk_cpu_sync_owner+0x32/0x40
** 1 printk messages dropped **
[  303.575191][    C0]  ? __pfx_console_unlock+0x10/0x10
** 2 printk messages dropped **
[  303.575272][    C0]  vprintk_emit+0x418/0x6d0
[  303.575303][    C0]  ? __pfx_vprintk_emit+0x10/0x10
** 2 printk messages dropped **
[  303.575388][    C0]  ? __asan_memcpy+0x3c/0x60
** 1 printk messages dropped **
[  303.575451][    C0]  input_register_device+0x974/0x1130
** 1 printk messages dropped **
[  303.575525][    C0]  usb_probe_interface+0x300/0x9c0
** 1 printk messages dropped **
[  303.575582][    C0]  really_probe+0x241/0xa90
** 1 printk messages dropped **
[  303.575642][    C0]  driver_probe_device+0x4c/0x1b0
** 1 printk messages dropped **
[  303.575700][    C0]  ? __pfx___device_attach_driver+0x10/0x10
** 1 printk messages dropped **
[  303.575762][    C0]  ? __pfx_bus_for_each_drv+0x10/0x10
** 1 printk messages dropped **
[  303.575828][    C0]  ? _raw_spin_unlock_irqrestore+0x3b/0x80
** 1 printk messages dropped **
[  303.575885][    C0]  ? __pfx___device_attach+0x10/0x10
[  303.575912][    C0]  ? do_raw_spin_unlock+0x172/0x230
** 2 printk messages dropped **
[  303.576003][    C0]  ? __pfx_device_add+0x10/0x10
** 1 printk messages dropped **
[  303.576075][    C0]  usb_set_configuration+0x1187/0x1e20
** 1 printk messages dropped **
[  303.576151][    C0]  usb_generic_driver_probe+0xb1/0x110
** 1 printk messages dropped **
[  303.576205][    C0]  ? __pfx_usb_probe_device+0x10/0x10
** 1 printk messages dropped **
[  303.576257][    C0]  __driver_probe_device+0x1de/0x440
** 1 printk messages dropped **
[  303.576310][    C0]  driver_probe_device+0x4c/0x1b0
** 1 printk messages dropped **
[  303.576366][    C0]  ? __pfx___device_attach_driver+0x10/0x10
[  303.576391][    C0]  bus_for_each_drv+0x159/0x1e0
** 2 printk messages dropped **
[  303.576493][    C0]  ? _raw_spin_unlock_irqrestore+0x3b/0x80
[  303.576524][    C0]  __device_attach+0x1e4/0x4b0
** 2 printk messages dropped **
[  303.576610][    C0]  bus_probe_device+0x17f/0x1c0
[  303.576635][    C0]  device_add+0x1148/0x1a70
** 2 printk messages dropped **
[  303.576723][    C0]  ? __usb_get_extra_descriptor+0x158/0x1c0
[  303.576754][    C0]  usb_new_device+0xd07/0x1a20
** 2 printk messages dropped **
[  303.576828][    C0]  ? mark_held_locks+0x49/0x80
** 1 printk messages dropped **
[  303.576899][    C0]  ? __pfx_hub_event+0x10/0x10
** 2 printk messages dropped **
[  303.576985][    C0]  process_one_work+0x9cc/0x1b70
[  303.577021][    C0]  ? __pfx_hub_event+0x10/0x10
** 2 printk messages dropped **
[  303.577110][    C0]  worker_thread+0x6c8/0xf10
** 1 printk messages dropped **
[  303.577181][    C0]  ? __pfx_worker_thread+0x10/0x10
** 1 printk messages dropped **
[  303.577232][    C0]  ? __pfx_kthread+0x10/0x10
** 1 printk messages dropped **
[  303.577288][    C0]  ? __pfx_kthread+0x10/0x10
** 2 printk messages dropped **
[  303.577371][    C0]  ret_from_fork_asm+0x1a/0x30
** 1 printk messages dropped **
[  303.586650][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  303.593672][    C0] yealink 2-1:36.0: unexpected response 0
[  303.602454][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  303.609802][    C0] yealink 2-1:36.0: unexpected response 0
[  303.618578][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  303.625541][    C0] yealink 2-1:36.0: unexpected response 0
[  303.634328][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  303.641235][    C0] yealink 2-1:36.0: unexpected response 0
[  303.650002][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  303.656997][    C0] yealink 2-1:36.0: unexpected response 0
[  303.665752][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  303.672722][    C0] yealink 2-1:36.0: unexpected response 0
[  303.681550][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  303.688537][    C0] yealink 2-1:36.0: unexpected response 0
[  303.697467][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  303.704524][    C0] yealink 2-1:36.0: unexpected response 0
[  303.713230][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  303.722360][    C0] yealink 2-1:36.0: unexpected response 0
[  303.731126][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  303.738184][    C0] yealink 2-1:36.0: unexpected response 0
[  303.746976][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  303.754135][    C0] yealink 2-1:36.0: unexpected response 0
[  303.762893][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  303.769925][    C0] yealink 2-1:36.0: unexpected response 0
[  303.778730][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  303.785761][    C0] yealink 2-1:36.0: unexpected response 0
[  303.794506][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  303.801393][    C0] yealink 2-1:36.0: unexpected response 0
[  303.810124][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  303.817171][    C0] yealink 2-1:36.0: unexpected response 0
[  303.825916][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  303.832851][    C0] yealink 2-1:36.0: unexpected response 0
[  303.841614][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  303.848555][    C0] yealink 2-1:36.0: unexpected response 0
[  303.857301][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  303.864295][    C0] yealink 2-1:36.0: unexpected response 0
[  303.873040][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  303.880057][    C0] yealink 2-1:36.0: unexpected response 0
[  303.888843][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  303.895823][    C0] yealink 2-1:36.0: unexpected response 0
[  303.904671][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  303.911602][    C0] yealink 2-1:36.0: unexpected response 0
[  303.920374][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  303.927366][    C0] yealink 2-1:36.0: unexpected response 0
[  303.936110][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  303.943057][    C0] yealink 2-1:36.0: unexpected response 0
[  303.951844][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  303.958912][    C0] yealink 2-1:36.0: unexpected response 0
[  303.967935][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  303.974921][    C0] yealink 2-1:36.0: unexpected response 0
[  303.983681][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  303.990636][    C0] yealink 2-1:36.0: unexpected response 0
[  303.999379][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  304.006354][    C0] yealink 2-1:36.0: unexpected response 0
[  304.015106][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  304.022115][    C0] yealink 2-1:36.0: unexpected response 0
[  304.030871][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  304.037888][    C0] yealink 2-1:36.0: unexpected response 0
[  304.046655][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  304.053694][    C0] yealink 2-1:36.0: unexpected response 0
[  304.062752][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  304.069772][    C0] yealink 2-1:36.0: unexpected response 0
[  304.078534][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  304.085519][    C0] yealink 2-1:36.0: unexpected response 0
[  304.094467][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  304.102019][    C0] yealink 2-1:36.0: unexpected response 0
[  304.110961][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  304.118094][    C0] yealink 2-1:36.0: unexpected response 0
[  304.126855][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  304.133839][    C0] yealink 2-1:36.0: unexpected response 0
[  304.142539][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  304.149530][    C0] yealink 2-1:36.0: unexpected response 0
[  304.158314][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  304.165267][    C0] yealink 2-1:36.0: unexpected response 0
[  304.174024][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  304.180913][    C0] yealink 2-1:36.0: unexpected response 0
[  304.189673][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  304.196620][    C0] yealink 2-1:36.0: unexpected response 0
[  304.205477][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  304.212614][    C0] yealink 2-1:36.0: unexpected response 0
[  304.221371][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  304.228331][    C0] yealink 2-1:36.0: unexpected response 0
[  304.237074][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  304.244198][    C0] yealink 2-1:36.0: unexpected response 0
[  304.252912][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  304.259910][    C0] yealink 2-1:36.0: unexpected response 0
[  304.268775][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  304.275803][    C0] yealink 2-1:36.0: unexpected response 0
[  304.284759][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  304.291684][    C0] yealink 2-1:36.0: unexpected response 0
[  304.300498][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  304.307474][    C0] yealink 2-1:36.0: unexpected response 0
[  304.316340][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  304.323284][    C0] yealink 2-1:36.0: unexpected response 0
[  304.332110][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  304.339195][    C0] yealink 2-1:36.0: unexpected response 0
[  304.347955][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  304.354940][    C0] yealink 2-1:36.0: unexpected response 0
[  304.363938][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  304.370926][    C0] yealink 2-1:36.0: unexpected response 0
[  304.379776][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  304.386921][    C0] yealink 2-1:36.0: unexpected response 0
[  304.395703][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  304.402666][    C0] yealink 2-1:36.0: unexpected response 0
[  304.411440][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  304.418476][    C0] yealink 2-1:36.0: unexpected response 0
[  304.427433][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  304.434411][    C0] yealink 2-1:36.0: unexpected response 0
[  304.443237][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  304.450302][    C0] yealink 2-1:36.0: unexpected response 0
[  304.459092][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  304.466053][    C0] yealink 2-1:36.0: unexpected response 0
[  304.474800][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  304.481688][    C0] yealink 2-1:36.0: unexpected response 0
[  304.490420][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  304.497494][    C0] yealink 2-1:36.0: unexpected response 0
[  304.506225][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  304.513153][    C0] yealink 2-1:36.0: unexpected response 0
[  304.521891][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  304.529037][    C0] yealink 2-1:36.0: unexpected response 0
[  304.537828][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  304.544863][    C0] yealink 2-1:36.0: unexpected response 0
[  304.553634][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  304.560576][    C0] yealink 2-1:36.0: unexpected response 0
[  304.569333][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  304.576408][    C0] yealink 2-1:36.0: unexpected response 0
[  304.585142][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  304.592161][    C0] yealink 2-1:36.0: unexpected response 0
[  304.600900][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  304.608046][    C0] yealink 2-1:36.0: unexpected response 0
[  304.616782][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  304.623777][    C0] yealink 2-1:36.0: unexpected response 0
[  304.632464][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  304.639423][    C0] yealink 2-1:36.0: unexpected response 0
[  304.648184][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  304.655426][    C0] yealink 2-1:36.0: unexpected response 0
[  304.664276][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  304.671196][    C0] yealink 2-1:36.0: unexpected response 0
[  304.679971][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  304.686932][    C0] yealink 2-1:36.0: unexpected response 0
[  304.695810][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  304.702784][    C0] yealink 2-1:36.0: unexpected response 0
[  304.711560][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  304.718585][    C0] yealink 2-1:36.0: unexpected response 0
[  304.727432][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  304.734555][    C0] yealink 2-1:36.0: unexpected response 0
[  304.743316][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  304.750293][    C0] yealink 2-1:36.0: unexpected response 0
[  304.759060][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  304.766018][    C0] yealink 2-1:36.0: unexpected response 0
[  304.774747][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  304.781676][    C0] yealink 2-1:36.0: unexpected response 0
[  304.790424][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  304.797475][    C0] yealink 2-1:36.0: unexpected response 0
[  304.806324][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  304.813284][    C0] yealink 2-1:36.0: unexpected response 0
[  304.822074][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  304.829025][    C0] yealink 2-1:36.0: unexpected response 0
[  304.837771][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  304.844746][    C0] yealink 2-1:36.0: unexpected response 0
[  304.853547][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  304.860463][    C0] yealink 2-1:36.0: unexpected response 0
[  304.869421][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  304.876428][    C0] yealink 2-1:36.0: unexpected response 0
[  304.885169][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  304.892116][    C0] yealink 2-1:36.0: unexpected response 0
[  304.901156][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  304.908244][    C0] yealink 2-1:36.0: unexpected response 0
[  304.917034][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  304.924083][    C0] yealink 2-1:36.0: unexpected response 0
[  304.932781][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  304.939727][    C0] yealink 2-1:36.0: unexpected response 0
[  304.948652][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  304.955682][    C0] yealink 2-1:36.0: unexpected response 0
[  304.964453][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  304.971442][    C0] yealink 2-1:36.0: unexpected response 0
[  304.980239][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  304.987297][    C0] yealink 2-1:36.0: unexpected response 0
[  304.996157][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  305.003256][    C0] yealink 2-1:36.0: unexpected response 0
[  305.012116][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  305.019269][    C0] yealink 2-1:36.0: unexpected response 0
[  305.028063][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  305.035018][    C0] yealink 2-1:36.0: unexpected response 0
[  305.043764][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  305.050725][    C0] yealink 2-1:36.0: unexpected response 0
[  305.059557][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  305.066518][    C0] yealink 2-1:36.0: unexpected response 0
[  305.075262][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  305.082373][    C0] yealink 2-1:36.0: unexpected response 0
[  305.091227][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  305.098239][    C0] yealink 2-1:36.0: unexpected response 0
[  305.107067][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  305.114030][    C0] yealink 2-1:36.0: unexpected response 0
[  305.122868][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  305.129903][    C0] yealink 2-1:36.0: unexpected response 0
[  305.138774][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  305.145779][    C0] yealink 2-1:36.0: unexpected response 0
[  305.154550][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  305.161453][    C0] yealink 2-1:36.0: unexpected response 0
[  305.170373][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  305.177350][    C0] yealink 2-1:36.0: unexpected response 0
[  305.186088][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  305.193119][    C0] yealink 2-1:36.0: unexpected response 0
[  305.201883][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  305.208844][    C0] yealink 2-1:36.0: unexpected response 0
[  305.217585][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  305.224618][    C0] yealink 2-1:36.0: unexpected response 0
[  305.233297][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  305.240243][    C0] yealink 2-1:36.0: unexpected response 0
[  305.249065][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  305.256063][    C0] yealink 2-1:36.0: unexpected response 0
[  305.264820][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  305.271847][    C0] yealink 2-1:36.0: unexpected response 0
[  305.280633][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  305.287608][    C0] yealink 2-1:36.0: unexpected response 0
[  305.296408][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  305.303372][    C0] yealink 2-1:36.0: unexpected response 0
[  305.312175][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  305.319226][    C0] yealink 2-1:36.0: unexpected response 0
[  305.327994][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  305.334963][    C0] yealink 2-1:36.0: unexpected response 0
[  305.343751][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  305.350738][    C0] yealink 2-1:36.0: unexpected response 0
[  305.359468][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  305.366424][    C0] yealink 2-1:36.0: unexpected response 0
[  305.375261][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  305.382324][    C0] yealink 2-1:36.0: unexpected response 0
[  305.391083][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  305.398040][    C0] yealink 2-1:36.0: unexpected response 0
[  305.406869][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  305.413840][    C0] yealink 2-1:36.0: unexpected response 0
[  305.422557][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  305.429535][    C0] yealink 2-1:36.0: unexpected response 0
[  305.438393][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  305.445351][    C0] yealink 2-1:36.0: unexpected response 0
[  305.454099][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  305.461084][    C0] yealink 2-1:36.0: unexpected response 0
[  305.469925][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  305.477014][    C0] yealink 2-1:36.0: unexpected response 0
[  305.485807][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  305.492885][    C0] yealink 2-1:36.0: unexpected response 0
[  305.501713][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  305.508750][    C0] yealink 2-1:36.0: unexpected response 0
[  305.517591][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  305.524583][    C0] yealink 2-1:36.0: unexpected response 0
[  305.533320][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  305.540431][    C0] yealink 2-1:36.0: unexpected response 0
[  305.549189][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  305.556155][    C0] yealink 2-1:36.0: unexpected response 0
[  305.565036][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  305.572007][    C0] yealink 2-1:36.0: unexpected response 0
[  305.580914][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  305.587926][    C0] yealink 2-1:36.0: unexpected response 0
[  305.596684][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  305.603731][    C0] yealink 2-1:36.0: unexpected response 0
[  305.612524][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  305.619518][    C0] yealink 2-1:36.0: unexpected response 0
[  305.628390][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  305.635621][    C0] yealink 2-1:36.0: unexpected response 0
[  305.644372][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  305.651251][    C0] yealink 2-1:36.0: unexpected response 0
[  305.660128][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  305.667124][    C0] yealink 2-1:36.0: unexpected response 0
[  305.675907][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  305.682906][    C0] yealink 2-1:36.0: unexpected response 0
[  305.691667][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  305.698624][    C0] yealink 2-1:36.0: unexpected response 0
[  305.707366][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  305.714422][    C0] yealink 2-1:36.0: unexpected response 0
[  305.723219][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  305.730324][    C0] yealink 2-1:36.0: unexpected response 0
[  305.739181][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  305.746153][    C0] yealink 2-1:36.0: unexpected response 0
[  305.754989][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  305.762121][    C0] yealink 2-1:36.0: unexpected response 0
[  305.770929][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  305.777998][    C0] yealink 2-1:36.0: unexpected response 0
[  305.786801][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  305.794039][    C0] yealink 2-1:36.0: unexpected response 0
[  305.802770][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  305.809742][    C0] yealink 2-1:36.0: unexpected response 0
[  305.818510][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  305.825459][    C0] yealink 2-1:36.0: unexpected response 0
[  305.834208][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  305.841088][    C0] yealink 2-1:36.0: unexpected response 0
[  305.849836][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  305.857020][    C0] yealink 2-1:36.0: unexpected response 0
[  305.866130][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  305.873066][    C0] yealink 2-1:36.0: unexpected response 0
[  305.881804][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  305.888802][    C0] yealink 2-1:36.0: unexpected response 0
[  305.897552][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  305.904611][    C0] yealink 2-1:36.0: unexpected response 0
[  305.913308][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  305.920437][    C0] yealink 2-1:36.0: unexpected response 0
[  305.929186][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  305.936129][    C0] yealink 2-1:36.0: unexpected response 0
[  305.944851][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  305.951867][    C0] yealink 2-1:36.0: unexpected response 0
[  305.960603][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  305.967553][    C0] yealink 2-1:36.0: unexpected response 0
[  305.976337][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  305.983295][    C0] yealink 2-1:36.0: unexpected response 0
[  305.992121][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  305.999092][    C0] yealink 2-1:36.0: unexpected response 0
[  306.007937][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  306.014993][    C0] yealink 2-1:36.0: unexpected response 0
[  306.023747][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  306.030664][    C0] yealink 2-1:36.0: unexpected response 0
[  306.039423][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  306.046404][    C0] yealink 2-1:36.0: unexpected response 0
[  306.055300][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  306.062334][    C0] yealink 2-1:36.0: unexpected response 0
[  306.071108][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  306.078074][    C0] yealink 2-1:36.0: unexpected response 0
[  306.086859][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  306.093816][    C0] yealink 2-1:36.0: unexpected response 0
[  306.102529][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  306.109528][    C0] yealink 2-1:36.0: unexpected response 0
[  306.118299][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  306.125261][    C0] yealink 2-1:36.0: unexpected response 0
[  306.134077][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  306.140991][    C0] yealink 2-1:36.0: unexpected response 0
[  306.149735][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  306.156699][    C0] yealink 2-1:36.0: unexpected response 0
[  306.165560][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  306.172522][    C0] yealink 2-1:36.0: unexpected response 0
[  306.181393][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  306.188474][    C0] yealink 2-1:36.0: unexpected response 0
[  306.197234][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  306.204192][    C0] yealink 2-1:36.0: unexpected response 0
[  306.212885][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  306.219872][    C0] yealink 2-1:36.0: unexpected response 0
[  306.228631][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  306.235572][    C0] yealink 2-1:36.0: unexpected response 0
[  306.244328][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  306.251212][    C0] yealink 2-1:36.0: unexpected response 0
[  306.259960][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  306.266977][    C0] yealink 2-1:36.0: unexpected response 0
[  306.275748][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  306.282753][    C0] yealink 2-1:36.0: unexpected response 0
[  306.291575][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  306.298563][    C0] yealink 2-1:36.0: unexpected response 0
[  306.307367][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  306.314493][    C0] yealink 2-1:36.0: unexpected response 0
[  306.323183][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  306.330217][    C0] yealink 2-1:36.0: unexpected response 0
[  306.339073][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  306.346078][    C0] yealink 2-1:36.0: unexpected response 0
[  306.355189][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  306.362076][    C0] yealink 2-1:36.0: unexpected response 0
[  306.370853][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  306.377830][    C0] yealink 2-1:36.0: unexpected response 0
[  306.386576][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  306.393657][    C0] yealink 2-1:36.0: unexpected response 0
[  306.402354][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  306.409538][    C0] yealink 2-1:36.0: unexpected response 0
[  306.418308][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  306.425272][    C0] yealink 2-1:36.0: unexpected response 0
[  306.434122][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  306.441042][    C0] yealink 2-1:36.0: unexpected response 0
[  306.449903][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  306.456883][    C0] yealink 2-1:36.0: unexpected response 0
[  306.465657][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  306.472694][    C0] yealink 2-1:36.0: unexpected response 0
[  306.481472][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  306.488521][    C0] yealink 2-1:36.0: unexpected response 0
[  306.497355][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  306.504318][    C0] yealink 2-1:36.0: unexpected response 0
[  306.513083][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  306.520129][    C0] yealink 2-1:36.0: unexpected response 0
[  306.529066][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  306.536030][    C0] yealink 2-1:36.0: unexpected response 0
[  306.544792][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  306.551695][    C0] yealink 2-1:36.0: unexpected response 0
[  306.560450][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  306.567411][    C0] yealink 2-1:36.0: unexpected response 0
[  306.576267][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  306.583248][    C0] yealink 2-1:36.0: unexpected response 0
[  306.592035][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  306.599020][    C0] yealink 2-1:36.0: unexpected response 0
[  306.607864][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  306.614866][    C0] yealink 2-1:36.0: unexpected response 0
[  306.623704][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  306.630642][    C0] yealink 2-1:36.0: unexpected response 0
[  306.639488][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  306.646631][    C0] yealink 2-1:36.0: unexpected response 0
[  306.655442][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  306.662562][    C0] yealink 2-1:36.0: unexpected response 0
[  306.671335][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  306.678292][    C0] yealink 2-1:36.0: unexpected response 0
[  306.687143][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  306.694307][    C0] yealink 2-1:36.0: unexpected response 0
[  306.703091][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  306.710092][    C0] yealink 2-1:36.0: unexpected response 0
[  306.718857][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  306.725849][    C0] yealink 2-1:36.0: unexpected response 0
[  306.734616][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  306.741601][    C0] yealink 2-1:36.0: unexpected response 0
[  306.750425][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  306.757558][    C0] yealink 2-1:36.0: unexpected response 0
[  306.766390][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  306.773486][    C0] yealink 2-1:36.0: unexpected response 0
[  306.782225][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  306.789307][    C0] yealink 2-1:36.0: unexpected response 0
[  306.798076][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  306.805051][    C0] yealink 2-1:36.0: unexpected response 0
[  306.813807][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  306.820873][    C0] yealink 2-1:36.0: unexpected response 0
[  306.829737][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  306.836731][    C0] yealink 2-1:36.0: unexpected response 0
[  306.845479][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  306.852411][    C0] yealink 2-1:36.0: unexpected response 0
[  306.861148][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  306.868101][    C0] yealink 2-1:36.0: unexpected response 0
[  306.876912][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  306.883887][    C0] yealink 2-1:36.0: unexpected response 0
[  306.892835][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  306.899887][    C0] yealink 2-1:36.0: unexpected response 0
[  306.908646][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  306.915580][    C0] yealink 2-1:36.0: unexpected response 0
[  306.924345][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  306.931225][    C0] yealink 2-1:36.0: unexpected response 0
[  306.939953][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  306.946914][    C0] yealink 2-1:36.0: unexpected response 0
[  306.955660][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  306.962600][    C0] yealink 2-1:36.0: unexpected response 0
[  306.971335][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  306.978282][    C0] yealink 2-1:36.0: unexpected response 0
[  306.987102][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  306.994050][    C0] yealink 2-1:36.0: unexpected response 0
[  307.002729][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  307.009703][    C0] yealink 2-1:36.0: unexpected response 0
[  307.018468][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  307.025514][    C0] yealink 2-1:36.0: unexpected response 0
[  307.034253][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  307.041131][    C0] yealink 2-1:36.0: unexpected response 0
[  307.049855][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  307.056806][    C0] yealink 2-1:36.0: unexpected response 0
[  307.065562][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  307.072491][    C0] yealink 2-1:36.0: unexpected response 0
[  307.081232][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  307.088178][    C0] yealink 2-1:36.0: unexpected response 0
[  307.097533][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  307.104606][    C0] yealink 2-1:36.0: unexpected response 0
[  307.113512][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  307.120461][    C0] yealink 2-1:36.0: unexpected response 0
[  307.129255][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  307.136213][    C0] yealink 2-1:36.0: unexpected response 0
[  307.144938][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  307.152178][    C0] yealink 2-1:36.0: unexpected response 0
[  307.160931][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  307.167957][    C0] yealink 2-1:36.0: unexpected response 0
[  307.176971][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  307.184066][    C0] yealink 2-1:36.0: unexpected response 0
[  307.192843][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  307.199821][    C0] yealink 2-1:36.0: unexpected response 0
[  307.208583][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  307.215706][    C0] yealink 2-1:36.0: unexpected response 0
[  307.224466][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  307.231488][    C0] yealink 2-1:36.0: unexpected response 0
[  307.240348][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  307.247320][    C0] yealink 2-1:36.0: unexpected response 0
[  307.256055][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  307.263000][    C0] yealink 2-1:36.0: unexpected response 0
[  307.271781][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  307.279000][    C0] yealink 2-1:36.0: unexpected response 0
[  307.287807][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  307.294770][    C0] yealink 2-1:36.0: unexpected response 0
[  307.303513][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  307.310439][    C0] yealink 2-1:36.0: unexpected response 0
[  307.319180][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  307.326122][    C0] yealink 2-1:36.0: unexpected response 0
[  307.335026][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  307.342039][    C0] yealink 2-1:36.0: unexpected response 0
[  307.350806][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  307.357759][    C0] yealink 2-1:36.0: unexpected response 0
[  307.366495][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  307.373486][    C0] yealink 2-1:36.0: unexpected response 0
[  307.382188][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  307.389134][    C0] yealink 2-1:36.0: unexpected response 0
[  307.397900][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  307.404924][    C0] yealink 2-1:36.0: unexpected response 0
[  307.413870][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  307.420794][    C0] yealink 2-1:36.0: unexpected response 0
[  307.429797][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  307.436768][    C0] yealink 2-1:36.0: unexpected response 0
[  307.445629][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  307.452644][    C0] yealink 2-1:36.0: unexpected response 0
[  307.461693][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  307.468764][    C0] yealink 2-1:36.0: unexpected response 0
[  307.477503][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  307.484550][    C0] yealink 2-1:36.0: unexpected response 0
[  307.493324][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  307.500319][    C0] yealink 2-1:36.0: unexpected response 0
[  307.509298][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  307.516297][    C0] yealink 2-1:36.0: unexpected response 0
[  307.525049][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  307.532021][    C0] yealink 2-1:36.0: unexpected response 0
[  307.540780][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  307.547760][    C0] yealink 2-1:36.0: unexpected response 0
[  307.556536][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  307.563572][    C0] yealink 2-1:36.0: unexpected response 0
[  307.572299][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  307.579445][    C0] yealink 2-1:36.0: unexpected response 0
[  307.588371][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  307.595322][    C0] yealink 2-1:36.0: unexpected response 0
[  307.604168][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  307.611123][    C0] yealink 2-1:36.0: unexpected response 0
[  307.619910][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  307.626878][    C0] yealink 2-1:36.0: unexpected response 0
[  307.635813][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  307.642841][    C0] yealink 2-1:36.0: unexpected response 0
[  307.651576][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  307.658645][    C0] yealink 2-1:36.0: unexpected response 0
[  307.667385][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  307.674339][    C0] yealink 2-1:36.0: unexpected response 0
[  307.683053][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  307.690106][    C0] yealink 2-1:36.0: unexpected response 0
[  307.698903][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  307.705885][    C0] yealink 2-1:36.0: unexpected response 0
[  307.714644][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  307.722057][    C0] yealink 2-1:36.0: unexpected response 0
[  307.730855][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  307.737993][    C0] yealink 2-1:36.0: unexpected response 0
[  307.746731][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  307.753681][    C0] yealink 2-1:36.0: unexpected response 0
[  307.762433][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  307.769494][    C0] yealink 2-1:36.0: unexpected response 0
[  307.778250][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  307.785384][    C0] yealink 2-1:36.0: unexpected response 0
[  307.794125][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  307.801006][    C0] yealink 2-1:36.0: unexpected response 0
[  307.809750][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  307.816700][    C0] yealink 2-1:36.0: unexpected response 0
[  307.825517][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  307.832448][    C0] yealink 2-1:36.0: unexpected response 0
[  307.841197][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  307.848145][    C0] yealink 2-1:36.0: unexpected response 0
[  307.856866][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  307.863809][    C0] yealink 2-1:36.0: unexpected response 0
[  307.872484][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  307.879457][    C0] yealink 2-1:36.0: unexpected response 0
[  307.888243][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  307.895305][    C0] yealink 2-1:36.0: unexpected response 0
[  307.904156][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  307.911131][    C0] yealink 2-1:36.0: unexpected response 0
[  307.919878][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  307.926938][    C0] yealink 2-1:36.0: unexpected response 0
[  307.935661][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  307.942678][    C0] yealink 2-1:36.0: unexpected response 0
[  307.951428][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  307.958365][    C0] yealink 2-1:36.0: unexpected response 0
[  307.967108][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  307.974066][    C0] yealink 2-1:36.0: unexpected response 0
[  307.982837][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  307.989786][    C0] yealink 2-1:36.0: unexpected response 0
[  307.998537][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  308.005477][    C0] yealink 2-1:36.0: unexpected response 0
[  308.014261][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  308.021319][    C0] yealink 2-1:36.0: unexpected response 0
[  308.030062][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  308.037200][    C0] yealink 2-1:36.0: unexpected response 0
[  308.045925][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  308.052855][    C0] yealink 2-1:36.0: unexpected response 0
[  308.061890][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  308.068824][    C0] yealink 2-1:36.0: unexpected response 0
[  308.077579][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  308.084555][    C0] yealink 2-1:36.0: unexpected response 0
[  308.093268][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  308.100353][    C0] yealink 2-1:36.0: unexpected response 0
[  308.109112][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  308.116080][    C0] yealink 2-1:36.0: unexpected response 0
[  308.124844][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  308.131734][    C0] yealink 2-1:36.0: unexpected response 0
[  308.140561][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  308.147523][    C0] yealink 2-1:36.0: unexpected response 0
[  308.156260][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  308.163242][    C0] yealink 2-1:36.0: unexpected response 0
[  308.171985][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  308.178958][    C0] yealink 2-1:36.0: unexpected response 0
[  308.187723][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  308.194676][    C0] yealink 2-1:36.0: unexpected response 0
[  308.203528][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  308.210458][    C0] yealink 2-1:36.0: unexpected response 0
[  308.219234][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  308.226230][    C0] yealink 2-1:36.0: unexpected response 0
[  308.234974][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  308.241921][    C0] yealink 2-1:36.0: unexpected response 0
[  308.250664][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  308.257622][    C0] yealink 2-1:36.0: unexpected response 0
[  308.266377][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  308.273310][    C0] yealink 2-1:36.0: unexpected response 0
[  308.282187][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  308.289177][    C0] yealink 2-1:36.0: unexpected response 0
[  308.297948][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  308.304891][    C0] yealink 2-1:36.0: unexpected response 0
[  308.313668][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  308.320561][    C0] yealink 2-1:36.0: unexpected response 0
[  308.329388][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  308.336357][    C0] yealink 2-1:36.0: unexpected response 0
[  308.345123][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  308.352077][    C0] yealink 2-1:36.0: unexpected response 0
[  308.360918][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  308.367871][    C0] yealink 2-1:36.0: unexpected response 0
[  308.376717][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  308.383686][    C0] yealink 2-1:36.0: unexpected response 0
[  308.392382][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  308.399348][    C0] yealink 2-1:36.0: unexpected response 0
[  308.408099][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  308.415085][    C0] yealink 2-1:36.0: unexpected response 0
[  308.423849][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  308.430762][    C0] yealink 2-1:36.0: unexpected response 0
[  308.439606][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  308.446673][    C0] yealink 2-1:36.0: unexpected response 0
[  308.455420][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  308.462383][    C0] yealink 2-1:36.0: unexpected response 0
[  308.471126][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  308.478384][    C0] yealink 2-1:36.0: unexpected response 0
[  308.487428][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  308.494637][    C0] yealink 2-1:36.0: unexpected response 0
[  308.503502][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  308.510669][    C0] yealink 2-1:36.0: unexpected response 0
[  308.519458][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  308.526438][    C0] yealink 2-1:36.0: unexpected response 0
[  308.535269][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  308.542252][    C0] yealink 2-1:36.0: unexpected response 0
[  308.551052][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  308.558024][    C0] yealink 2-1:36.0: unexpected response 0
[  308.566824][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  308.573887][    C0] yealink 2-1:36.0: unexpected response 0
[  308.582609][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  308.589701][    C0] yealink 2-1:36.0: unexpected response 0
[  308.598650][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  308.605956][    C0] yealink 2-1:36.0: unexpected response 0
[  308.614721][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  308.621797][    C0] yealink 2-1:36.0: unexpected response 0
[  308.630665][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  308.637666][    C0] yealink 2-1:36.0: unexpected response 0
[  308.646565][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  308.653788][    C0] yealink 2-1:36.0: unexpected response 0
[  308.662484][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  308.669481][    C0] yealink 2-1:36.0: unexpected response 0
[  308.678267][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  308.685243][    C0] yealink 2-1:36.0: unexpected response 0
[  308.694035][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  308.701022][    C0] yealink 2-1:36.0: unexpected response 0
[  308.709810][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  308.716823][    C0] yealink 2-1:36.0: unexpected response 0
[  308.725628][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  308.732675][    C0] yealink 2-1:36.0: unexpected response 0
[  308.741622][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  308.748629][    C0] yealink 2-1:36.0: unexpected response 0
[  308.757948][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  308.764919][    C0] yealink 2-1:36.0: unexpected response 0
[  308.773672][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  308.780560][    C0] yealink 2-1:36.0: unexpected response 0
[  308.789383][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  308.796390][    C0] yealink 2-1:36.0: unexpected response 0
[  308.805249][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  308.812367][    C0] yealink 2-1:36.0: unexpected response 0
[  308.821125][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  308.828444][    C0] yealink 2-1:36.0: unexpected response 0
[  308.837277][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  308.844264][    C0] yealink 2-1:36.0: unexpected response 0
[  308.852947][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  308.859916][    C0] yealink 2-1:36.0: unexpected response 0
[  308.868677][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  308.875628][    C0] yealink 2-1:36.0: unexpected response 0
[  308.884373][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  308.891255][    C0] yealink 2-1:36.0: unexpected response 0
[  308.900075][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  308.907120][    C0] yealink 2-1:36.0: unexpected response 0
[  308.915955][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  308.923290][    C0] yealink 2-1:36.0: unexpected response 0
[  308.932062][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  308.939062][    C0] yealink 2-1:36.0: unexpected response 0
[  308.947824][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  308.954789][    C0] yealink 2-1:36.0: unexpected response 0
[  308.963538][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  308.970441][    C0] yealink 2-1:36.0: unexpected response 0
[  308.979166][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  308.986114][    C0] yealink 2-1:36.0: unexpected response 0
[  308.994965][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  309.001991][    C0] yealink 2-1:36.0: unexpected response 0
[  309.010753][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  309.017819][    C0] yealink 2-1:36.0: unexpected response 0
[  309.026611][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  309.033611][    C0] yealink 2-1:36.0: unexpected response 0
[  309.042384][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  309.049421][    C0] yealink 2-1:36.0: unexpected response 0
[  309.058593][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  309.065781][    C0] yealink 2-1:36.0: unexpected response 0
[  309.074580][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  309.081469][    C0] yealink 2-1:36.0: unexpected response 0
[  309.090194][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  309.097182][    C0] yealink 2-1:36.0: unexpected response 0
[  309.105990][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  309.112946][    C0] yealink 2-1:36.0: unexpected response 0
[  309.121712][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  309.128676][    C0] yealink 2-1:36.0: unexpected response 0
[  309.137516][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  309.144473][    C0] yealink 2-1:36.0: unexpected response 0
[  309.153165][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  309.160111][    C0] yealink 2-1:36.0: unexpected response 0
[  309.168944][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  309.175935][    C0] yealink 2-1:36.0: unexpected response 0
[  309.184810][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  309.191705][    C0] yealink 2-1:36.0: unexpected response 0
[  309.200629][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  309.207590][    C0] yealink 2-1:36.0: unexpected response 0
[  309.216337][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  309.223353][    C0] yealink 2-1:36.0: unexpected response 0
[  309.232187][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  309.239142][    C0] yealink 2-1:36.0: unexpected response 0
[  309.247918][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  309.254942][    C0] yealink 2-1:36.0: unexpected response 0
[  309.263803][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  309.270685][    C0] yealink 2-1:36.0: unexpected response 0
[  309.279503][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  309.286516][    C0] yealink 2-1:36.0: unexpected response 0
[  309.295397][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  309.302493][    C0] yealink 2-1:36.0: unexpected response 0
[  309.311309][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  309.318312][    C0] yealink 2-1:36.0: unexpected response 0
[  309.327181][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  309.334225][    C0] yealink 2-1:36.0: unexpected response 0
[  309.343122][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  309.350220][    C0] yealink 2-1:36.0: unexpected response 0
[  309.358980][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  309.366067][    C0] yealink 2-1:36.0: unexpected response 0
[  309.374843][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  309.381749][    C0] yealink 2-1:36.0: unexpected response 0
[  309.390503][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  309.397466][    C0] yealink 2-1:36.0: unexpected response 0
[  309.406212][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  309.413151][    C0] yealink 2-1:36.0: unexpected response 0
[  309.421973][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  309.429067][    C0] yealink 2-1:36.0: unexpected response 0
[  309.437828][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  309.444825][    C0] yealink 2-1:36.0: unexpected response 0
[  309.453719][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  309.460749][    C0] yealink 2-1:36.0: unexpected response 0
[  309.469530][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  309.476509][    C0] yealink 2-1:36.0: unexpected response 0
[  309.485252][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  309.492278][    C0] yealink 2-1:36.0: unexpected response 0
[  309.501137][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  309.508137][    C0] yealink 2-1:36.0: unexpected response 0
[  309.516904][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  309.523884][    C0] yealink 2-1:36.0: unexpected response 0
[  309.532571][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  309.539600][    C0] yealink 2-1:36.0: unexpected response 0
[  309.548488][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  309.555583][    C0] yealink 2-1:36.0: unexpected response 0
[  309.564439][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  309.571423][    C0] yealink 2-1:36.0: unexpected response 0
[  309.580233][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  309.587748][    C0] yealink 2-1:36.0: unexpected response 0
[  309.596695][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  309.603685][    C0] yealink 2-1:36.0: unexpected response 0
[  309.612365][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  309.619417][    C0] yealink 2-1:36.0: unexpected response 0
[  309.628181][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  309.635121][    C0] yealink 2-1:36.0: unexpected response 0
[  309.644037][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  309.650923][    C0] yealink 2-1:36.0: unexpected response 0
[  309.659761][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  309.666742][    C0] yealink 2-1:36.0: unexpected response 0
[  309.675714][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  309.682722][    C0] yealink 2-1:36.0: unexpected response 0
[  309.691476][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  309.698552][    C0] yealink 2-1:36.0: unexpected response 0
[  309.707594][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  309.714563][    C0] yealink 2-1:36.0: unexpected response 0
[  309.723276][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  309.730282][    C0] yealink 2-1:36.0: unexpected response 0
[  309.739035][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  309.745985][    C0] yealink 2-1:36.0: unexpected response 0
[  309.754833][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  309.761767][    C0] yealink 2-1:36.0: unexpected response 0
[  309.770747][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  309.777790][    C0] yealink 2-1:36.0: unexpected response 0
[  309.786560][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  309.793540][    C0] yealink 2-1:36.0: unexpected response 0
[  309.802357][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  309.809384][    C0] yealink 2-1:36.0: unexpected response 0
[  309.818240][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  309.825240][    C0] yealink 2-1:36.0: unexpected response 0
[  309.834093][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  309.840988][    C0] yealink 2-1:36.0: unexpected response 0
[  309.849829][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  309.856816][    C0] yealink 2-1:36.0: unexpected response 0
[  309.865593][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  309.872546][    C0] yealink 2-1:36.0: unexpected response 0
[  309.881305][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  309.888277][    C0] yealink 2-1:36.0: unexpected response 0
[  309.897052][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  309.904048][    C0] yealink 2-1:36.0: unexpected response 0
[  309.912752][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  309.919735][    C0] yealink 2-1:36.0: unexpected response 0
[  309.928488][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  309.935458][    C0] yealink 2-1:36.0: unexpected response 0
[  309.944221][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  309.951198][    C0] yealink 2-1:36.0: unexpected response 0
[  309.959949][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  309.966958][    C0] yealink 2-1:36.0: unexpected response 0
[  309.975732][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  309.982704][    C0] yealink 2-1:36.0: unexpected response 0
[  309.991439][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  309.998434][    C0] yealink 2-1:36.0: unexpected response 0
[  310.007213][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  310.014262][    C0] yealink 2-1:36.0: unexpected response 0
[  310.023089][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  310.030103][    C0] yealink 2-1:36.0: unexpected response 0
[  310.038864][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  310.045922][    C0] yealink 2-1:36.0: unexpected response 0
[  310.054799][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  310.061759][    C0] yealink 2-1:36.0: unexpected response 0
[  310.070532][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  310.077591][    C0] yealink 2-1:36.0: unexpected response 0
[  310.086530][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  310.093536][    C0] yealink 2-1:36.0: unexpected response 0
[  310.102272][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  310.109351][    C0] yealink 2-1:36.0: unexpected response 0
[  310.118140][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  310.125180][    C0] yealink 2-1:36.0: unexpected response 0
[  310.134044][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  310.141111][    C0] yealink 2-1:36.0: unexpected response 0
[  310.149848][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  310.156859][    C0] yealink 2-1:36.0: unexpected response 0
[  310.165616][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  310.172562][    C0] yealink 2-1:36.0: unexpected response 0
[  310.181309][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  310.188306][    C0] yealink 2-1:36.0: unexpected response 0
[  310.197063][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  310.204014][    C0] yealink 2-1:36.0: unexpected response 0
[  310.212701][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  310.219645][    C0] yealink 2-1:36.0: unexpected response 0
[  310.228408][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  310.235352][    C0] yealink 2-1:36.0: unexpected response 0
[  310.244109][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  310.251199][    C0] yealink 2-1:36.0: unexpected response 0
[  310.259984][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  310.267133][    C0] yealink 2-1:36.0: unexpected response 0
[  310.275954][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  310.282949][    C0] yealink 2-1:36.0: unexpected response 0
[  310.291812][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  310.298813][    C0] yealink 2-1:36.0: unexpected response 0
[  310.307576][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  310.314669][    C0] yealink 2-1:36.0: unexpected response 0
[  310.323364][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  310.330509][    C0] yealink 2-1:36.0: unexpected response 0
[  310.339249][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  310.346224][    C0] yealink 2-1:36.0: unexpected response 0
[  310.355074][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  310.362093][    C0] yealink 2-1:36.0: unexpected response 0
[  310.370844][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  310.377802][    C0] yealink 2-1:36.0: unexpected response 0
[  310.386550][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  310.393527][    C0] yealink 2-1:36.0: unexpected response 0
[  310.402247][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  310.409222][    C0] yealink 2-1:36.0: unexpected response 0
[  310.417982][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  310.424921][    C0] yealink 2-1:36.0: unexpected response 0
[  310.433873][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  310.440789][    C0] yealink 2-1:36.0: unexpected response 0
[  310.449613][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  310.456607][    C0] yealink 2-1:36.0: unexpected response 0
[  310.465690][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  310.472775][    C0] yealink 2-1:36.0: unexpected response 0
[  310.481527][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  310.488577][    C0] yealink 2-1:36.0: unexpected response 0
[  310.497424][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  310.504401][    C0] yealink 2-1:36.0: unexpected response 0
[  310.513279][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  310.520415][    C0] yealink 2-1:36.0: unexpected response 0
[  310.529255][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  310.536210][    C0] yealink 2-1:36.0: unexpected response 0
[  310.545046][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  310.551925][    C0] yealink 2-1:36.0: unexpected response 0
[  310.560710][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  310.567910][    C0] yealink 2-1:36.0: unexpected response 0
[  310.577010][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  310.584056][    C0] yealink 2-1:36.0: unexpected response 0
[  310.592959][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  310.600180][    C0] yealink 2-1:36.0: unexpected response 0
[  310.608979][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  310.616064][    C0] yealink 2-1:36.0: unexpected response 0
[  310.624827][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  310.631770][    C0] yealink 2-1:36.0: unexpected response 0
[  310.640572][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  310.647550][    C0] yealink 2-1:36.0: unexpected response 0
[  310.656401][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  310.663459][    C0] yealink 2-1:36.0: unexpected response 0
[  310.672257][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  310.679461][    C0] yealink 2-1:36.0: unexpected response 0
[  310.688306][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  310.695283][    C0] yealink 2-1:36.0: unexpected response 0
[  310.704140][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  310.711125][    C0] yealink 2-1:36.0: unexpected response 0
[  310.719888][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  310.726949][    C0] yealink 2-1:36.0: unexpected response 0
[  310.735904][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  310.742869][    C0] yealink 2-1:36.0: unexpected response 0
[  310.751801][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  310.758764][    C0] yealink 2-1:36.0: unexpected response 0
[  310.767494][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  310.774445][    C0] yealink 2-1:36.0: unexpected response 0
[  310.783131][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  310.790089][    C0] yealink 2-1:36.0: unexpected response 0
[  310.798847][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  310.805984][    C0] yealink 2-1:36.0: unexpected response 0
[  310.814741][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  310.821653][    C0] yealink 2-1:36.0: unexpected response 0
[  310.830413][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  310.837358][    C0] yealink 2-1:36.0: unexpected response 0
[  310.846086][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  310.853019][    C0] yealink 2-1:36.0: unexpected response 0
[  310.861789][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  310.868913][    C0] yealink 2-1:36.0: unexpected response 0
[  310.877672][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  310.884636][    C0] yealink 2-1:36.0: unexpected response 0
[  310.893323][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  310.900390][    C0] yealink 2-1:36.0: unexpected response 0
[  310.909138][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  310.916184][    C0] yealink 2-1:36.0: unexpected response 0
[  310.924935][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  310.931877][    C0] yealink 2-1:36.0: unexpected response 0
[  310.940643][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  310.947635][    C0] yealink 2-1:36.0: unexpected response 0
[  310.956411][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  310.963342][    C0] yealink 2-1:36.0: unexpected response 0
[  310.972118][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  310.979185][    C0] yealink 2-1:36.0: unexpected response 0
[  310.988061][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  310.995005][    C0] yealink 2-1:36.0: unexpected response 0
[  311.003796][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  311.010694][    C0] yealink 2-1:36.0: unexpected response 0
[  311.019505][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  311.026556][    C0] yealink 2-1:36.0: unexpected response 0
[  311.035303][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  311.042255][    C0] yealink 2-1:36.0: unexpected response 0
[  311.051032][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  311.058003][    C0] yealink 2-1:36.0: unexpected response 0
[  311.066737][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  311.073866][    C0] yealink 2-1:36.0: unexpected response 0
[  311.082748][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  311.089835][    C0] yealink 2-1:36.0: unexpected response 0
[  311.098787][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  311.105849][    C0] yealink 2-1:36.0: unexpected response 0
[  311.114696][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  311.121575][    C0] yealink 2-1:36.0: unexpected response 0
[  311.130423][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  311.137506][    C0] yealink 2-1:36.0: unexpected response 0
[  311.146244][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  311.153190][    C0] yealink 2-1:36.0: unexpected response 0
[  311.161947][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  311.168948][    C0] yealink 2-1:36.0: unexpected response 0
[  311.177795][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  311.184769][    C0] yealink 2-1:36.0: unexpected response 0
[  311.193508][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  311.200662][    C0] yealink 2-1:36.0: unexpected response 0
[  311.209427][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  311.216379][    C0] yealink 2-1:36.0: unexpected response 0
[  311.225105][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  311.232218][    C0] yealink 2-1:36.0: unexpected response 0
[  311.241007][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  311.247972][    C0] yealink 2-1:36.0: unexpected response 0
[  311.256715][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  311.263691][    C0] yealink 2-1:36.0: unexpected response 0
[  311.272689][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  311.279705][    C0] yealink 2-1:36.0: unexpected response 0
[  311.288496][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  311.295538][    C0] yealink 2-1:36.0: unexpected response 0
[  311.304286][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  311.311173][    C0] yealink 2-1:36.0: unexpected response 0
[  311.320105][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  311.327287][    C0] yealink 2-1:36.0: unexpected response 0
[  311.336078][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  311.343035][    C0] yealink 2-1:36.0: unexpected response 0
[  311.351836][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  311.358829][    C0] yealink 2-1:36.0: unexpected response 0
[  311.367570][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  311.374545][    C0] yealink 2-1:36.0: unexpected response 0
[  311.383229][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  311.390170][    C0] yealink 2-1:36.0: unexpected response 0
[  311.399193][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  311.406341][    C0] yealink 2-1:36.0: unexpected response 0
[  311.415195][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  311.422168][    C0] yealink 2-1:36.0: unexpected response 0
[  311.430997][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  311.437964][    C0] yealink 2-1:36.0: unexpected response 0
[  311.446883][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  311.453893][    C0] yealink 2-1:36.0: unexpected response 0
[  311.462596][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  311.469541][    C0] yealink 2-1:36.0: unexpected response 0
[  311.478305][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  311.485350][    C0] yealink 2-1:36.0: unexpected response 0
[  311.494109][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  311.501004][    C0] yealink 2-1:36.0: unexpected response 0
[  311.510204][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  311.517190][    C0] yealink 2-1:36.0: unexpected response 0
[  311.525931][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  311.532863][    C0] yealink 2-1:36.0: unexpected response 0
[  311.541818][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  311.548767][    C0] yealink 2-1:36.0: unexpected response 0
[  311.557513][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  311.564511][    C0] yealink 2-1:36.0: unexpected response 0
[  311.573283][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  311.580396][    C0] yealink 2-1:36.0: unexpected response 0
[  311.589220][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  311.596277][    C0] yealink 2-1:36.0: unexpected response 0
[  311.605162][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  311.612143][    C0] yealink 2-1:36.0: unexpected response 0
[  311.620895][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  311.627850][    C0] yealink 2-1:36.0: unexpected response 0
[  311.636714][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  311.643669][    C0] yealink 2-1:36.0: unexpected response 0
[  311.652571][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  311.659953][    C0] yealink 2-1:36.0: unexpected response 0
[  311.668716][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  311.675664][    C0] yealink 2-1:36.0: unexpected response 0
[  311.684419][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  311.691304][    C0] yealink 2-1:36.0: unexpected response 0
[  311.700041][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  311.707042][    C0] yealink 2-1:36.0: unexpected response 0
[  311.715865][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  311.722836][    C0] yealink 2-1:36.0: unexpected response 0
[  311.731597][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  311.738579][    C0] yealink 2-1:36.0: unexpected response 0
[  311.747320][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  311.754365][    C0] yealink 2-1:36.0: unexpected response 0
[  311.763063][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  311.770292][    C0] yealink 2-1:36.0: unexpected response 0
[  311.779141][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  311.786097][    C0] yealink 2-1:36.0: unexpected response 0
[  311.794934][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  311.801916][    C0] yealink 2-1:36.0: unexpected response 0
[  311.810647][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  311.817648][    C0] yealink 2-1:36.0: unexpected response 0
[  311.826397][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  311.833393][    C0] yealink 2-1:36.0: unexpected response 0
[  311.842264][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  311.849232][    C0] yealink 2-1:36.0: unexpected response 0
[  311.858116][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  311.865137][    C0] yealink 2-1:36.0: unexpected response 0
[  311.874152][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  311.881055][    C0] yealink 2-1:36.0: unexpected response 0
[  311.889829][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  311.896872][    C0] yealink 2-1:36.0: unexpected response 0
[  311.905733][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  311.912797][    C0] yealink 2-1:36.0: unexpected response 0
[  311.921554][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  311.928553][    C0] yealink 2-1:36.0: unexpected response 0
[  311.937310][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  311.944421][    C0] yealink 2-1:36.0: unexpected response 0
[  311.953188][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  311.960309][    C0] yealink 2-1:36.0: unexpected response 0
[  311.969190][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  311.976194][    C0] yealink 2-1:36.0: unexpected response 0
[  311.984984][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  311.991925][    C0] yealink 2-1:36.0: unexpected response 0
[  312.000822][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  312.007803][    C0] yealink 2-1:36.0: unexpected response 0
[  312.016550][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  312.023655][    C0] yealink 2-1:36.0: unexpected response 0
[  312.032429][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  312.039454][    C0] yealink 2-1:36.0: unexpected response 0
[  312.048307][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  312.055402][    C0] yealink 2-1:36.0: unexpected response 0
[  312.064217][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  312.071373][    C0] yealink 2-1:36.0: unexpected response 0
[  312.080125][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  312.087129][    C0] yealink 2-1:36.0: unexpected response 0
[  312.095881][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  312.103085][    C0] yealink 2-1:36.0: unexpected response 0
[  312.112017][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  312.119055][    C0] yealink 2-1:36.0: unexpected response 0
[  312.127833][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  312.134787][    C0] yealink 2-1:36.0: unexpected response 0
[  312.143561][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  312.150493][    C0] yealink 2-1:36.0: unexpected response 0
[  312.159313][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  312.166468][    C0] yealink 2-1:36.0: unexpected response 0
[  312.175208][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  312.182242][    C0] yealink 2-1:36.0: unexpected response 0
[  312.191091][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  312.198093][    C0] yealink 2-1:36.0: unexpected response 0
[  312.206916][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  312.214005][    C0] yealink 2-1:36.0: unexpected response 0
[  312.222881][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  312.229845][    C0] yealink 2-1:36.0: unexpected response 0
[  312.238612][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  312.245684][    C0] yealink 2-1:36.0: unexpected response 0
[  312.254625][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  312.261613][    C0] yealink 2-1:36.0: unexpected response 0
[  312.270345][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  312.277304][    C0] yealink 2-1:36.0: unexpected response 0
[  312.286068][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  312.293099][    C0] yealink 2-1:36.0: unexpected response 0
[  312.301940][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  312.308909][    C0] yealink 2-1:36.0: unexpected response 0
[  312.317666][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  312.324626][    C0] yealink 2-1:36.0: unexpected response 0
[  312.333313][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  312.340443][    C0] yealink 2-1:36.0: unexpected response 0
[  312.349308][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  312.356332][    C0] yealink 2-1:36.0: unexpected response 0
[  312.365092][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  312.372036][    C0] yealink 2-1:36.0: unexpected response 0
[  312.380803][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  312.387795][    C0] yealink 2-1:36.0: unexpected response 0
[  312.396669][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  312.404069][    C0] yealink 2-1:36.0: unexpected response 0
[  312.412956][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  312.420008][    C0] yealink 2-1:36.0: unexpected response 0
[  312.428762][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  312.435717][    C0] yealink 2-1:36.0: unexpected response 0
[  312.444482][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  312.451523][    C0] yealink 2-1:36.0: unexpected response 0
[  312.460314][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  312.467334][    C0] yealink 2-1:36.0: unexpected response 0
[  312.476110][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  312.483232][    C0] yealink 2-1:36.0: unexpected response 0
[  312.492317][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  312.499332][    C0] yealink 2-1:36.0: unexpected response 0
[  312.508262][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  312.515223][    C0] yealink 2-1:36.0: unexpected response 0
[  312.523990][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  312.530931][    C0] yealink 2-1:36.0: unexpected response 0
[  312.539955][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  312.546936][    C0] yealink 2-1:36.0: unexpected response 0
[  312.555760][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  312.562788][    C0] yealink 2-1:36.0: unexpected response 0
[  312.571614][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  312.578646][    C0] yealink 2-1:36.0: unexpected response 0
[  312.587571][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  312.594555][    C0] yealink 2-1:36.0: unexpected response 0
[  312.603234][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  312.610188][    C0] yealink 2-1:36.0: unexpected response 0
[  312.619035][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  312.626059][    C0] yealink 2-1:36.0: unexpected response 0
[  312.634922][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  312.641811][    C0] yealink 2-1:36.0: unexpected response 0
[  312.650537][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  312.657488][    C0] yealink 2-1:36.0: unexpected response 0
[  312.666230][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  312.673158][    C0] yealink 2-1:36.0: unexpected response 0
[  312.681904][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  312.688929][    C0] yealink 2-1:36.0: unexpected response 0
[  312.697762][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  312.704701][    C0] yealink 2-1:36.0: unexpected response 0
[  312.713464][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  312.720527][    C0] yealink 2-1:36.0: unexpected response 0
[  312.729281][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  312.736251][    C0] yealink 2-1:36.0: unexpected response 0
[  312.745188][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  312.752176][    C0] yealink 2-1:36.0: unexpected response 0
[  312.760939][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  312.768009][    C0] yealink 2-1:36.0: unexpected response 0
[  312.776741][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  312.783686][    C0] yealink 2-1:36.0: unexpected response 0
[  312.792369][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  312.799340][    C0] yealink 2-1:36.0: unexpected response 0
[  312.808092][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  312.815028][    C0] yealink 2-1:36.0: unexpected response 0
[  312.823794][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  312.830678][    C0] yealink 2-1:36.0: unexpected response 0
[  312.839402][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  312.846390][    C0] yealink 2-1:36.0: unexpected response 0
[  312.855208][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  312.862132][    C0] yealink 2-1:36.0: unexpected response 0
[  312.870867][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  312.877924][    C0] yealink 2-1:36.0: unexpected response 0
[  312.886675][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  312.893643][    C0] yealink 2-1:36.0: unexpected response 0
[  312.902342][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  312.909306][    C0] yealink 2-1:36.0: unexpected response 0
[  312.918267][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  312.925212][    C0] yealink 2-1:36.0: unexpected response 0
[  312.934213][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  312.941088][    C0] yealink 2-1:36.0: unexpected response 0
[  312.949809][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  312.956857][    C0] yealink 2-1:36.0: unexpected response 0
[  312.965689][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **
[  312.972650][    C0] yealink 2-1:36.0: unexpected response 0
[  312.981397][    C0] yealink 2-1:36.0: urb_ctl_callback - urb status -71
** 1 printk messages dropped **