1
[  599.266362][    C1] yealink 2-1:36.0: unexpected response 0
[  599.273464][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  599.279784][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  599.285906][    C0] yealink 1-1:36.0: unexpected response 0
[  599.293182][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  599.302092][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  599.305257][    C1] yealink 2-1:36.0: unexpected response 0
[  599.312878][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  599.318084][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  599.324680][    C0] yealink 1-1:36.0: unexpected response 0
[  599.331803][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  599.337664][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  599.344271][    C1] yealink 2-1:36.0: unexpected response 0
[  599.351395][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  599.357418][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  599.364100][    C0] yealink 1-1:36.0: unexpected response 0
[  599.371112][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  599.377083][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  599.383301][    C1] yealink 2-1:36.0: unexpected response 0
[  599.390950][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  599.396322][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  599.402693][    C0] yealink 1-1:36.0: unexpected response 0
[  599.410429][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  599.416597][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  599.422281][    C1] yealink 2-1:36.0: unexpected response 0
[  599.429539][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  599.435325][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  599.441847][    C0] yealink 1-1:36.0: unexpected response 0
[  599.448845][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  599.454808][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  599.461574][    C1] yealink 2-1:36.0: unexpected response 0
[  599.468509][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  599.474348][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  599.480868][    C0] yealink 1-1:36.0: unexpected response 0
[  599.488555][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  599.500627][    C1] yealink 2-1:36.0: unexpected response 0
[  599.502281][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  599.507126][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  599.514112][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  599.520389][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  599.526959][    C0] yealink 1-1:36.0: unexpected response 0
[  599.533698][    C1] yealink 2-1:36.0: unexpected response 0
[  599.540050][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  599.545888][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  599.552481][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  599.559304][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  599.566030][    C0] yealink 1-1:36.0: unexpected response 0
[  599.572860][    C1] yealink 2-1:36.0: unexpected response 0
[  599.578941][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  599.584635][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  599.592792][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  599.599496][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  599.605114][    C0] yealink 1-1:36.0: unexpected response 0
[  599.611858][    C1] yealink 2-1:36.0: unexpected response 0
[  599.617880][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  599.623616][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  599.630534][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  599.637197][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  599.644179][    C0] yealink 1-1:36.0: unexpected response 0
[  599.651028][    C1] yealink 2-1:36.0: unexpected response 0
[  599.657028][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  599.662730][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  599.669702][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  599.676564][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  599.683080][    C0] yealink 1-1:36.0: unexpected response 0
[  599.690450][    C1] yealink 2-1:36.0: unexpected response 0
[  599.697188][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  599.702661][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  599.709703][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  599.716153][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  599.722432][    C0] yealink 1-1:36.0: unexpected response 0
[  599.729194][    C1] yealink 2-1:36.0: unexpected response 0
[  599.735151][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  599.740960][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  599.747803][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  599.754497][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  599.761205][    C0] yealink 1-1:36.0: unexpected response 0
[  599.767954][    C1] yealink 2-1:36.0: unexpected response 0
[  599.773975][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  599.779845][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  599.786659][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  599.794288][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  599.800263][    C0] yealink 1-1:36.0: unexpected response 0
[  599.807011][    C1] yealink 2-1:36.0: unexpected response 0
[  599.815273][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  599.819330][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  599.826441][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  599.832914][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  599.839418][    C0] yealink 1-1:36.0: unexpected response 0
[  599.846356][    C1] yealink 2-1:36.0: unexpected response 0
[  599.852567][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  599.858246][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  599.865023][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  599.872012][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  599.878471][    C0] yealink 1-1:36.0: unexpected response 0
[  599.885637][    C1] yealink 2-1:36.0: unexpected response 0
[  599.891582][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  599.897884][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  599.904942][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  599.911268][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  599.917622][    C0] yealink 1-1:36.0: unexpected response 0
[  599.924748][    C1] yealink 2-1:36.0: unexpected response 0
[  599.931369][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  599.936476][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  599.943339][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  599.950102][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  599.956591][    C0] yealink 1-1:36.0: unexpected response 0
[  599.963416][    C1] yealink 2-1:36.0: unexpected response 0
[  599.969667][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  599.975242][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  599.982127][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  599.988748][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  599.995292][    C0] yealink 1-1:36.0: unexpected response 0
[  600.002209][    C1] yealink 2-1:36.0: unexpected response 0
[  600.010062][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  600.014406][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  600.021528][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  600.028145][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  600.034120][    C0] yealink 1-1:36.0: unexpected response 0
[  600.040890][    C1] yealink 2-1:36.0: unexpected response 0
[  600.046877][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  600.052559][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  600.059323][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  600.066484][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  600.073062][    C0] yealink 1-1:36.0: unexpected response 0
[  600.079895][    C1] yealink 2-1:36.0: unexpected response 0
[  600.085830][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  600.091816][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  600.099231][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  600.105465][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  600.111747][    C0] yealink 1-1:36.0: unexpected response 0
[  600.118491][    C1] yealink 2-1:36.0: unexpected response 0
[  600.125127][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  600.130589][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  600.137306][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  600.144113][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  600.150644][    C0] yealink 1-1:36.0: unexpected response 0
[  600.157382][    C1] yealink 2-1:36.0: unexpected response 0
[  600.163372][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  600.169250][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  600.176269][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  600.182979][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  600.189707][    C0] yealink 1-1:36.0: unexpected response 0
[  600.196549][    C1] yealink 2-1:36.0: unexpected response 0
[  600.203369][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  600.208788][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  600.215799][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  600.222404][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  600.229016][    C0] yealink 1-1:36.0: unexpected response 0
[  600.236054][    C1] yealink 2-1:36.0: unexpected response 0
[  600.242211][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  600.251427][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  600.254539][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  600.261553][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  600.268104][    C0] yealink 1-1:36.0: unexpected response 0
[  600.275115][    C1] yealink 2-1:36.0: unexpected response 0
[  600.281128][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  600.286996][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  600.294041][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  600.300987][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  600.307615][    C0] yealink 1-1:36.0: unexpected response 0
[  600.314354][    C1] yealink 2-1:36.0: unexpected response 0
[  600.321186][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  600.327546][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  600.333833][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  600.340109][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  600.346389][    C0] yealink 1-1:36.0: unexpected response 0
[  600.353217][    C1] yealink 2-1:36.0: unexpected response 0
[  600.359229][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  600.364925][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  600.371945][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  600.378712][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  600.385324][    C0] yealink 1-1:36.0: unexpected response 0
[  600.392162][    C1] yealink 2-1:36.0: unexpected response 0
[  600.398080][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  600.403769][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  600.411420][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  600.418261][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  600.424031][    C0] yealink 1-1:36.0: unexpected response 0
[  600.430864][    C1] yealink 2-1:36.0: unexpected response 0
[  600.437415][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  600.443110][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  600.449308][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  600.456284][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  600.462935][    C0] yealink 1-1:36.0: unexpected response 0
[  600.469677][    C1] yealink 2-1:36.0: unexpected response 0
[  600.475607][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  600.481343][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  600.488230][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  600.494853][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  600.501486][    C0] yealink 1-1:36.0: unexpected response 0
[  600.508311][    C1] yealink 2-1:36.0: unexpected response 0
[  600.515150][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  600.520678][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  600.528055][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  600.534149][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  600.540800][    C0] yealink 1-1:36.0: unexpected response 0
[  600.547547][    C1] yealink 2-1:36.0: unexpected response 0
[  600.553593][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  600.559342][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  600.565973][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  600.572711][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  600.579620][    C0] yealink 1-1:36.0: unexpected response 0
[  600.586436][    C1] yealink 2-1:36.0: unexpected response 0
[  600.592475][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  600.598259][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  600.605131][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  600.612353][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  600.618727][    C0] yealink 1-1:36.0: unexpected response 0
[  600.625560][    C1] yealink 2-1:36.0: unexpected response 0
[  600.632568][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  600.638059][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  600.645159][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  600.651118][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  600.657765][    C0] yealink 1-1:36.0: unexpected response 0
[  600.664505][    C1] yealink 2-1:36.0: unexpected response 0
[  600.670429][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  600.676092][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  600.682869][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  600.690001][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  600.696650][    C0] yealink 1-1:36.0: unexpected response 0
[  600.703485][    C1] yealink 2-1:36.0: unexpected response 0
[  600.709531][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  600.715943][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  600.722983][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  600.729152][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  600.735378][    C0] yealink 1-1:36.0: unexpected response 0
[  600.742424][    C1] yealink 2-1:36.0: unexpected response 0
[  600.742754][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  600.749089][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  600.754092][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  600.761004][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  600.767837][    C1] yealink 2-1:36.0: unexpected response 0
[  600.774582][    C0] yealink 1-1:36.0: unexpected response 0
[  600.781770][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  600.787763][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  600.794161][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  600.800228][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  600.806738][    C1] yealink 2-1:36.0: unexpected response 0
[  600.813491][    C0] yealink 1-1:36.0: unexpected response 0
[  600.821112][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  600.829089][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  600.832382][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  600.839705][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  600.845613][    C1] yealink 2-1:36.0: unexpected response 0
[  600.852365][    C0] yealink 1-1:36.0: unexpected response 0
[  600.859566][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  600.865404][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  600.871043][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  600.877875][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  600.884511][    C1] yealink 2-1:36.0: unexpected response 0
[  600.891559][    C0] yealink 1-1:36.0: unexpected response 0
[  600.898906][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  600.904405][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  600.910113][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  600.918144][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  600.923974][    C1] yealink 2-1:36.0: unexpected response 0
[  600.930724][    C0] yealink 1-1:36.0: unexpected response 0
[  600.938366][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  600.944152][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  600.949654][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  600.956305][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  600.962958][    C1] yealink 2-1:36.0: unexpected response 0
[  600.969936][    C0] yealink 1-1:36.0: unexpected response 0
[  600.977314][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  600.982944][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  600.988879][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  600.995870][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  601.002576][    C1] yealink 2-1:36.0: unexpected response 0
[  601.009316][    C0] yealink 1-1:36.0: unexpected response 0
[  601.016435][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  601.023224][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  601.028222][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  601.035280][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  601.041094][    C1] yealink 2-1:36.0: unexpected response 0
[  601.047834][    C0] yealink 1-1:36.0: unexpected response 0
[  601.055340][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  601.060818][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  601.066511][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  601.073336][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  601.079962][    C1] yealink 2-1:36.0: unexpected response 0
[  601.086704][    C0] yealink 1-1:36.0: unexpected response 0
[  601.093772][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  601.099672][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  601.105667][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  601.112313][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  601.119045][    C1] yealink 2-1:36.0: unexpected response 0
[  601.125974][    C0] yealink 1-1:36.0: unexpected response 0
[  601.133411][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  601.139806][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  601.145613][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  601.152872][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  601.158709][    C1] yealink 2-1:36.0: unexpected response 0
[  601.165543][    C0] yealink 1-1:36.0: unexpected response 0
[  601.172713][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  601.178372][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  601.184110][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  601.190917][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  601.197461][    C1] yealink 2-1:36.0: unexpected response 0
[  601.204321][    C0] yealink 1-1:36.0: unexpected response 0
[  601.211836][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  601.217361][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  601.223109][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  601.230869][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  601.236927][    C1] yealink 2-1:36.0: unexpected response 0
[  601.243670][    C0] yealink 1-1:36.0: unexpected response 0
[  601.251060][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  601.257112][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  601.263216][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  601.270191][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  601.275973][    C1] yealink 2-1:36.0: unexpected response 0
[  601.282801][    C0] yealink 1-1:36.0: unexpected response 0
[  601.290134][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  601.296936][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  601.301921][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  601.309081][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  601.315305][    C1] yealink 2-1:36.0: unexpected response 0
[  601.322065][    C0] yealink 1-1:36.0: unexpected response 0
[  601.329629][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  601.335861][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  601.341455][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  601.348496][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  601.354636][    C1] yealink 2-1:36.0: unexpected response 0
[  601.361380][    C0] yealink 1-1:36.0: unexpected response 0
[  601.368692][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  601.374246][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  601.379922][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  601.386761][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  601.393327][    C1] yealink 2-1:36.0: unexpected response 0
[  601.400285][    C0] yealink 1-1:36.0: unexpected response 0
[  601.407705][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  601.413357][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  601.419118][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  601.426085][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  601.432601][    C1] yealink 2-1:36.0: unexpected response 0
[  601.439520][    C0] yealink 1-1:36.0: unexpected response 0
[  601.447226][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  601.453296][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  601.458345][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  601.465503][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  601.471406][    C1] yealink 2-1:36.0: unexpected response 0
[  601.478175][    C0] yealink 1-1:36.0: unexpected response 0
[  601.485262][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  601.491196][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  601.496805][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  601.503758][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  601.510492][    C1] yealink 2-1:36.0: unexpected response 0
[  601.517372][    C0] yealink 1-1:36.0: unexpected response 0
[  601.524780][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  601.530889][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  601.537018][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  601.544045][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  601.549844][    C1] yealink 2-1:36.0: unexpected response 0
[  601.556591][    C0] yealink 1-1:36.0: unexpected response 0
[  601.564328][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  601.569803][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  601.575107][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  601.581869][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  601.588447][    C1] yealink 2-1:36.0: unexpected response 0
[  601.595249][    C0] yealink 1-1:36.0: unexpected response 0
[  601.602897][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  601.608574][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  601.614183][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  601.621042][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  601.627758][    C1] yealink 2-1:36.0: unexpected response 0
[  601.634507][    C0] yealink 1-1:36.0: unexpected response 0
[  601.642141][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  601.648338][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  601.653238][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  601.660291][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  601.666336][    C1] yealink 2-1:36.0: unexpected response 0
[  601.673251][    C0] yealink 1-1:36.0: unexpected response 0
[  601.680222][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  601.686028][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  601.691860][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  601.698642][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  601.705272][    C1] yealink 2-1:36.0: unexpected response 0
[  601.712098][    C0] yealink 1-1:36.0: unexpected response 0
[  601.719528][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  601.725035][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  601.730845][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  601.738824][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  601.744545][    C1] yealink 2-1:36.0: unexpected response 0
[  601.751404][    C0] yealink 1-1:36.0: unexpected response 0
[  601.758965][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  601.764741][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  601.770196][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  601.776739][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  601.783369][    C1] yealink 2-1:36.0: unexpected response 0
[  601.790115][    C0] yealink 1-1:36.0: unexpected response 0
[  601.797463][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  601.803330][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  601.808960][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  601.815843][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  601.822518][    C1] yealink 2-1:36.0: unexpected response 0
[  601.829276][    C0] yealink 1-1:36.0: unexpected response 0
[  601.836924][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  601.843590][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  601.848755][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  601.855633][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  601.861532][    C1] yealink 2-1:36.0: unexpected response 0
[  601.868278][    C0] yealink 1-1:36.0: unexpected response 0
[  601.875866][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  601.881030][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  601.886791][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  601.893735][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  601.900478][    C1] yealink 2-1:36.0: unexpected response 0
[  601.907246][    C0] yealink 1-1:36.0: unexpected response 0
[  601.914411][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  601.920155][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  601.925765][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  601.932528][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  601.939083][    C1] yealink 2-1:36.0: unexpected response 0
[  601.945934][    C0] yealink 1-1:36.0: unexpected response 0
[  601.953543][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  601.959713][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  601.965694][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  601.972110][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  601.978159][    C1] yealink 2-1:36.0: unexpected response 0
[  601.984905][    C0] yealink 1-1:36.0: unexpected response 0
[  601.992144][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  601.997793][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  602.003451][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  602.010190][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  602.016833][    C1] yealink 2-1:36.0: unexpected response 0
[  602.023678][    C0] yealink 1-1:36.0: unexpected response 0
[  602.030754][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  602.036633][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  602.042410][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  602.050016][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  602.055871][    C1] yealink 2-1:36.0: unexpected response 0
[  602.062619][    C0] yealink 1-1:36.0: unexpected response 0
[  602.071114][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  602.076187][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  602.081288][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  602.088001][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  602.094708][    C1] yealink 2-1:36.0: unexpected response 0
[  602.101457][    C0] yealink 1-1:36.0: unexpected response 0
[  602.108557][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  602.114263][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  602.119907][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  602.126666][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  602.133200][    C1] yealink 2-1:36.0: unexpected response 0
[  602.140118][    C0] yealink 1-1:36.0: unexpected response 0
[  602.147562][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  602.153665][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  602.158981][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  602.165975][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  602.171960][    C1] yealink 2-1:36.0: unexpected response 0
[  602.178743][    C0] yealink 1-1:36.0: unexpected response 0
[  602.185764][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  602.191893][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  602.197210][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  602.203982][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  602.210530][    C1] yealink 2-1:36.0: unexpected response 0
[  602.217293][    C0] yealink 1-1:36.0: unexpected response 0
[  602.224285][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  602.230073][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  602.235969][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  602.242799][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  602.249327][    C1] yealink 2-1:36.0: unexpected response 0
[  602.256070][    C0] yealink 1-1:36.0: unexpected response 0
[  602.263577][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  602.269512][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  602.275376][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  602.282477][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  602.288444][    C1] yealink 2-1:36.0: unexpected response 0
[  602.295798][    C0] yealink 1-1:36.0: unexpected response 0
[  602.302868][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  602.308700][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  602.314413][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  602.321215][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  602.327932][    C1] yealink 2-1:36.0: unexpected response 0
[  602.334682][    C0] yealink 1-1:36.0: unexpected response 0
[  602.341850][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  602.347930][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  602.354269][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  602.361512][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  602.367382][    C1] yealink 2-1:36.0: unexpected response 0
[  602.374172][    C0] yealink 1-1:36.0: unexpected response 0
[  602.381566][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  602.387500][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  602.392990][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  602.399687][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  602.406357][    C1] yealink 2-1:36.0: unexpected response 0
[  602.413179][    C0] yealink 1-1:36.0: unexpected response 0
[  602.420468][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  602.426077][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  602.431893][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  602.438687][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  602.445333][    C1] yealink 2-1:36.0: unexpected response 0
[  602.452176][    C0] yealink 1-1:36.0: unexpected response 0
[  602.459997][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  602.472326][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  602.478378][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  602.485625][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  602.491295][    C1] yealink 2-1:36.0: unexpected response 0
[  602.498210][    C0] yealink 1-1:36.0: unexpected response 0
[  602.504306][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  602.509960][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  602.516850][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  602.523770][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  602.530575][    C1] yealink 2-1:36.0: unexpected response 0
[  602.537726][    C0] yealink 1-1:36.0: unexpected response 0
[  602.543874][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  602.549610][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  602.556823][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  602.564135][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  602.569629][    C1] yealink 2-1:36.0: unexpected response 0
[  602.576389][    C0] yealink 1-1:36.0: unexpected response 0
[  602.583147][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  602.589052][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  602.595022][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  602.601840][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  602.608409][    C1] yealink 2-1:36.0: unexpected response 0
[  602.615170][    C0] yealink 1-1:36.0: unexpected response 0
[  602.621099][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  602.626859][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  602.633595][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  602.640444][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  602.647003][    C1] yealink 2-1:36.0: unexpected response 0
[  602.654017][    C0] yealink 1-1:36.0: unexpected response 0
[  602.660516][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  602.666590][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  602.673140][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  602.680277][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  602.686476][    C1] yealink 2-1:36.0: unexpected response 0
[  602.693243][    C0] yealink 1-1:36.0: unexpected response 0
[  602.699525][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  602.705112][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  602.711773][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  602.718599][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  602.725308][    C1] yealink 2-1:36.0: unexpected response 0
[  602.732193][    C0] yealink 1-1:36.0: unexpected response 0
[  602.738493][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  602.744192][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  602.750893][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  602.757751][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  602.764462][    C1] yealink 2-1:36.0: unexpected response 0
[  602.771380][    C0] yealink 1-1:36.0: unexpected response 0
[  602.781978][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  602.784368][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  602.790286][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  602.797199][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  602.803255][    C1] yealink 2-1:36.0: unexpected response 0
[  602.810001][    C0] yealink 1-1:36.0: unexpected response 0
[  602.816101][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  602.821701][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  602.828451][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  602.835264][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  602.842240][    C1] yealink 2-1:36.0: unexpected response 0
[  602.849009][    C0] yealink 1-1:36.0: unexpected response 0
[  602.855098][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  602.860913][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  602.871996][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  602.875533][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  602.880786][    C1] yealink 2-1:36.0: unexpected response 0
[  602.887663][    C0] yealink 1-1:36.0: unexpected response 0
[  602.893986][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  602.901401][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  602.906213][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  602.913051][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  602.919625][    C1] yealink 2-1:36.0: unexpected response 0
[  602.926370][    C0] yealink 1-1:36.0: unexpected response 0
[  602.932383][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  602.938213][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  602.944824][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  602.951663][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  602.958223][    C1] yealink 2-1:36.0: unexpected response 0
[  602.964961][    C0] yealink 1-1:36.0: unexpected response 0
[  602.971752][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  602.977367][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  602.984390][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  602.991043][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  602.997476][    C1] yealink 2-1:36.0: unexpected response 0
[  603.004495][    C0] yealink 1-1:36.0: unexpected response 0
[  603.010979][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  603.016731][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  603.023704][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  603.030471][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  603.037016][    C1] yealink 2-1:36.0: unexpected response 0
[  603.043941][    C0] yealink 1-1:36.0: unexpected response 0
[  603.050547][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  603.055667][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  603.063034][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  603.070658][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  603.075866][    C1] yealink 2-1:36.0: unexpected response 0
[  603.082792][    C0] yealink 1-1:36.0: unexpected response 0
[  603.089553][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  603.094632][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  603.102110][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  603.108662][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  603.115240][    C1] yealink 2-1:36.0: unexpected response 0
[  603.122160][    C0] yealink 1-1:36.0: unexpected response 0
[  603.128172][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  603.133928][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  603.140812][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  603.147832][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  603.154541][    C1] yealink 2-1:36.0: unexpected response 0
[  603.161588][    C0] yealink 1-1:36.0: unexpected response 0
[  603.167741][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  603.174042][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  603.181580][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  603.187505][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  603.193540][    C1] yealink 2-1:36.0: unexpected response 0
[  603.200468][    C0] yealink 1-1:36.0: unexpected response 0
[  603.206967][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  603.212190][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  603.219005][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  603.225847][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  603.232306][    C1] yealink 2-1:36.0: unexpected response 0
[  603.239249][    C0] yealink 1-1:36.0: unexpected response 0
[  603.245493][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  603.251407][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  603.257921][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  603.264681][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  603.271320][    C1] yealink 2-1:36.0: unexpected response 0
[  603.278067][    C0] yealink 1-1:36.0: unexpected response 0
[  603.284520][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  603.290492][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  603.296924][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  603.304049][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  603.310223][    C1] yealink 2-1:36.0: unexpected response 0
[  603.317185][    C0] yealink 1-1:36.0: unexpected response 0
[  603.323295][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  603.329147][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  603.336222][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  603.342944][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  603.349638][    C1] yealink 2-1:36.0: unexpected response 0
[  603.356519][    C0] yealink 1-1:36.0: unexpected response 0
[  603.362484][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  603.368251][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  603.376077][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  603.382529][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  603.388417][    C1] yealink 2-1:36.0: unexpected response 0
[  603.395176][    C0] yealink 1-1:36.0: unexpected response 0
[  603.401979][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  603.407600][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  603.413604][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  603.420617][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  603.427261][    C1] yealink 2-1:36.0: unexpected response 0
[  603.434096][    C0] yealink 1-1:36.0: unexpected response 0
[  603.440301][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  603.445827][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  603.453036][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  603.459928][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  603.466656][    C1] yealink 2-1:36.0: unexpected response 0
[  603.473404][    C0] yealink 1-1:36.0: unexpected response 0
[  603.479969][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  603.486227][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  603.492877][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  603.499915][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  603.506193][    C1] yealink 2-1:36.0: unexpected response 0
[  603.512988][    C0] yealink 1-1:36.0: unexpected response 0
[  603.518932][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  603.525220][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  603.531629][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  603.538656][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  603.545096][    C1] yealink 2-1:36.0: unexpected response 0
[  603.552064][    C0] yealink 1-1:36.0: unexpected response 0
[  603.557977][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  603.563707][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  603.570501][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  603.577293][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  603.583854][    C1] yealink 2-1:36.0: unexpected response 0
[  603.590607][    C0] yealink 1-1:36.0: unexpected response 0
[  603.597220][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  603.603383][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  603.610709][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  603.616915][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  603.622932][    C1] yealink 2-1:36.0: unexpected response 0
[  603.629728][    C0] yealink 1-1:36.0: unexpected response 0
[  603.635881][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  603.641881][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  603.649064][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  603.655902][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  603.662707][    C1] yealink 2-1:36.0: unexpected response 0
[  603.669446][    C0] yealink 1-1:36.0: unexpected response 0
[  603.675576][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  603.681178][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  603.688473][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  603.700818][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  603.701363][    C1] yealink 2-1:36.0: unexpected response 0
[  603.708547][    C0] yealink 1-1:36.0: unexpected response 0
[  603.715083][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  603.721276][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  603.727388][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  603.734242][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  603.740952][    C1] yealink 2-1:36.0: unexpected response 0
[  603.747722][    C0] yealink 1-1:36.0: unexpected response 0
[  603.753726][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  603.759409][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  603.766300][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  603.773090][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  603.779603][    C1] yealink 2-1:36.0: unexpected response 0
[  603.786722][    C0] yealink 1-1:36.0: unexpected response 0
[  603.793430][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  603.799277][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  603.805966][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  603.812741][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  603.818919][    C1] yealink 2-1:36.0: unexpected response 0
[  603.825760][    C0] yealink 1-1:36.0: unexpected response 0
[  603.832009][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  603.837873][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  603.844737][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  603.851628][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  603.858262][    C1] yealink 2-1:36.0: unexpected response 0
[  603.865426][    C0] yealink 1-1:36.0: unexpected response 0
[  603.871422][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  603.877658][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  603.884433][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  603.891892][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  603.897867][    C1] yealink 2-1:36.0: unexpected response 0
[  603.904627][    C0] yealink 1-1:36.0: unexpected response 0
[  603.911360][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  603.916942][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  603.923615][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  603.930062][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  603.936619][    C1] yealink 2-1:36.0: unexpected response 0
[  603.943534][    C0] yealink 1-1:36.0: unexpected response 0
[  603.949634][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  603.955336][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  603.962155][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  603.968930][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  603.975443][    C1] yealink 2-1:36.0: unexpected response 0
[  603.982363][    C0] yealink 1-1:36.0: unexpected response 0
[  603.988280][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  604.001386][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  604.002083][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  604.008269][    C1] yealink 2-1:36.0: unexpected response 0
[  604.016392][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  604.021811][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  604.028118][    C0] yealink 1-1:36.0: unexpected response 0
[  604.035098][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  604.041019][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  604.047620][    C1] yealink 2-1:36.0: unexpected response 0
[  604.054787][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  604.060696][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  604.067342][    C0] yealink 1-1:36.0: unexpected response 0
[  604.074422][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  604.080257][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  604.086741][    C1] yealink 2-1:36.0: unexpected response 0
[  604.094909][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  604.100238][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  604.106479][    C0] yealink 1-1:36.0: unexpected response 0
[  604.113853][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  604.119387][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  604.125983][    C1] yealink 2-1:36.0: unexpected response 0
[  604.133059][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  604.138913][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  604.145460][    C0] yealink 1-1:36.0: unexpected response 0
[  604.152472][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  604.158332][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  604.164932][    C1] yealink 2-1:36.0: unexpected response 0
[  604.172113][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  604.177787][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  604.184312][    C0] yealink 1-1:36.0: unexpected response 0
[  604.184523][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  604.191371][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  604.198247][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  604.203709][    C1] yealink 2-1:36.0: unexpected response 0
[  604.210630][    C0] yealink 1-1:36.0: unexpected response 0
[  604.218092][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  604.223428][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  604.229538][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  604.236237][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  604.242556][    C1] yealink 2-1:36.0: unexpected response 0
[  604.249296][    C0] yealink 1-1:36.0: unexpected response 0
[  604.256341][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  604.262055][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  604.268005][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  604.274796][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  604.281361][    C1] yealink 2-1:36.0: unexpected response 0
[  604.288260][    C0] yealink 1-1:36.0: unexpected response 0
[  604.295344][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  604.301685][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  604.307284][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  604.315392][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  604.320272][    C1] yealink 2-1:36.0: unexpected response 0
[  604.327109][    C0] yealink 1-1:36.0: unexpected response 0
[  604.334433][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  604.339784][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  604.345901][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  604.352646][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  604.359203][    C1] yealink 2-1:36.0: unexpected response 0
[  604.365958][    C0] yealink 1-1:36.0: unexpected response 0
[  604.373316][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  604.379010][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  604.384886][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  604.391664][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  604.398279][    C1] yealink 2-1:36.0: unexpected response 0
[  604.405129][    C0] yealink 1-1:36.0: unexpected response 0
[  604.412657][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  604.418921][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  604.423821][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  604.430383][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  604.437113][    C1] yealink 2-1:36.0: unexpected response 0
[  604.443858][    C0] yealink 1-1:36.0: unexpected response 0
[  604.450834][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  604.456529][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  604.462460][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  604.469331][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  604.475991][    C1] yealink 2-1:36.0: unexpected response 0
[  604.482733][    C0] yealink 1-1:36.0: unexpected response 0
[  604.489861][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  604.495627][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  604.501703][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  604.512068][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  604.514839][    C1] yealink 2-1:36.0: unexpected response 0
[  604.521600][    C0] yealink 1-1:36.0: unexpected response 0
[  604.528997][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  604.535098][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  604.540363][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  604.547076][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  604.553634][    C1] yealink 2-1:36.0: unexpected response 0
[  604.560374][    C0] yealink 1-1:36.0: unexpected response 0
[  604.567546][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  604.573289][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  604.578803][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  604.585551][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  604.592183][    C1] yealink 2-1:36.0: unexpected response 0
[  604.599024][    C0] yealink 1-1:36.0: unexpected response 0
[  604.606421][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  604.612782][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  604.618274][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  604.626368][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  604.631346][    C1] yealink 2-1:36.0: unexpected response 0
[  604.638284][    C0] yealink 1-1:36.0: unexpected response 0
[  604.645559][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  604.651103][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  604.656812][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  604.663668][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  604.670220][    C1] yealink 2-1:36.0: unexpected response 0
[  604.677059][    C0] yealink 1-1:36.0: unexpected response 0
[  604.684170][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  604.689974][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  604.695665][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  604.702917][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  604.709541][    C1] yealink 2-1:36.0: unexpected response 0
[  604.716556][    C0] yealink 1-1:36.0: unexpected response 0
[  604.724201][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  604.730697][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  604.735530][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  604.742868][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  604.749008][    C1] yealink 2-1:36.0: unexpected response 0
[  604.755971][    C0] yealink 1-1:36.0: unexpected response 0
[  604.763498][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  604.769622][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  604.775533][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  604.782853][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  604.789370][    C1] yealink 2-1:36.0: unexpected response 0
[  604.796379][    C0] yealink 1-1:36.0: unexpected response 0
[  604.804247][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  604.810448][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  604.818174][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  604.823473][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  604.828438][    C1] yealink 2-1:36.0: unexpected response 0
[  604.835279][    C0] yealink 1-1:36.0: unexpected response 0
[  604.842883][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  604.848473][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  604.854675][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  604.861210][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  604.867798][    C1] yealink 2-1:36.0: unexpected response 0
[  604.874546][    C0] yealink 1-1:36.0: unexpected response 0
[  604.881599][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  604.887359][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  604.893130][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  604.900332][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  604.906917][    C1] yealink 2-1:36.0: unexpected response 0
[  604.913713][    C0] yealink 1-1:36.0: unexpected response 0
[  604.921605][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  604.927441][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  604.933356][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  604.940521][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  604.945800][    C1] yealink 2-1:36.0: unexpected response 0
[  604.952548][    C0] yealink 1-1:36.0: unexpected response 0
[  604.959807][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  604.965400][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  604.971099][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  604.978010][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  604.984654][    C1] yealink 2-1:36.0: unexpected response 0
[  604.991584][    C0] yealink 1-1:36.0: unexpected response 0
[  604.998866][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  605.004618][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  605.010446][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  605.018249][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  605.024130][    C1] yealink 2-1:36.0: unexpected response 0
[  605.031150][    C0] yealink 1-1:36.0: unexpected response 0
[  605.040848][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  605.044481][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  605.050179][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  605.056577][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  605.063206][    C1] yealink 2-1:36.0: unexpected response 0
[  605.069963][    C0] yealink 1-1:36.0: unexpected response 0
[  605.077050][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  605.082787][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  605.088488][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  605.095283][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  605.101794][    C1] yealink 2-1:36.0: unexpected response 0
[  605.108559][    C0] yealink 1-1:36.0: unexpected response 0
[  605.117374][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  605.122740][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  605.127598][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  605.134107][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  605.140398][    C1] yealink 2-1:36.0: unexpected response 0
[  605.147228][    C0] yealink 1-1:36.0: unexpected response 0
[  605.154339][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  605.159990][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  605.165682][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  605.172735][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  605.179361][    C1] yealink 2-1:36.0: unexpected response 0
[  605.186193][    C0] yealink 1-1:36.0: unexpected response 0
[  605.193492][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  605.199063][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  605.204784][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  605.211597][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  605.218275][    C1] yealink 2-1:36.0: unexpected response 0
[  605.225101][    C0] yealink 1-1:36.0: unexpected response 0
[  605.232544][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  605.238648][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  605.243871][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  605.251268][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  605.257095][    C1] yealink 2-1:36.0: unexpected response 0
[  605.263884][    C0] yealink 1-1:36.0: unexpected response 0
[  605.271004][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  605.276688][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  605.282382][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  605.289317][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  605.295771][    C1] yealink 2-1:36.0: unexpected response 0
[  605.302596][    C0] yealink 1-1:36.0: unexpected response 0
[  605.309548][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  605.315424][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  605.321600][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  605.328925][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  605.334736][    C1] yealink 2-1:36.0: unexpected response 0
[  605.341652][    C0] yealink 1-1:36.0: unexpected response 0
[  605.349037][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  605.354666][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  605.360464][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  605.367244][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  605.373752][    C1] yealink 2-1:36.0: unexpected response 0
[  605.380776][    C0] yealink 1-1:36.0: unexpected response 0
[  605.387795][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  605.393535][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  605.399236][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  605.406093][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  605.412693][    C1] yealink 2-1:36.0: unexpected response 0
[  605.419598][    C0] yealink 1-1:36.0: unexpected response 0
[  605.426968][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  605.432983][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  605.438504][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  605.445275][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  605.451361][    C1] yealink 2-1:36.0: unexpected response 0
[  605.458109][    C0] yealink 1-1:36.0: unexpected response 0
[  605.465107][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  605.470828][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  605.476471][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  605.483225][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  605.489975][    C1] yealink 2-1:36.0: unexpected response 0
[  605.496741][    C0] yealink 1-1:36.0: unexpected response 0
[  605.503834][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  605.509574][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  605.515441][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  605.522172][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  605.528837][    C1] yealink 2-1:36.0: unexpected response 0
[  605.535759][    C0] yealink 1-1:36.0: unexpected response 0
[  605.543554][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  605.549862][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  605.555014][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  605.561933][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  605.568339][    C1] yealink 2-1:36.0: unexpected response 0
[  605.575196][    C0] yealink 1-1:36.0: unexpected response 0
[  605.582241][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  605.587942][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  605.593602][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  605.600755][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  605.606994][    C1] yealink 2-1:36.0: unexpected response 0
[  605.613739][    C0] yealink 1-1:36.0: unexpected response 0
[  605.620736][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  605.626454][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  605.632554][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  605.639837][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  605.645997][    C1] yealink 2-1:36.0: unexpected response 0
[  605.652753][    C0] yealink 1-1:36.0: unexpected response 0
[  605.660392][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  605.665998][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  605.671355][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  605.678259][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  605.684775][    C1] yealink 2-1:36.0: unexpected response 0
[  605.691514][    C0] yealink 1-1:36.0: unexpected response 0
[  605.698496][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  605.704227][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  605.710031][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  605.716810][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  605.723339][    C1] yealink 2-1:36.0: unexpected response 0
[  605.730282][    C0] yealink 1-1:36.0: unexpected response 0
[  605.738126][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  605.744066][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  605.749959][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  605.757410][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  605.763110][    C1] yealink 2-1:36.0: unexpected response 0
[  605.770152][    C0] yealink 1-1:36.0: unexpected response 0
[  605.777308][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  605.783413][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  605.788741][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  605.795506][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  605.802214][    C1] yealink 2-1:36.0: unexpected response 0
[  605.809052][    C0] yealink 1-1:36.0: unexpected response 0
[  605.816040][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  605.821812][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  605.827566][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  605.835167][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  605.840913][    C1] yealink 2-1:36.0: unexpected response 0
[  605.847748][    C0] yealink 1-1:36.0: unexpected response 0
[  605.855286][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  605.861198][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  605.867458][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  605.873894][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  605.880784][    C1] yealink 2-1:36.0: unexpected response 0
[  605.887707][    C0] yealink 1-1:36.0: unexpected response 0
[  605.895367][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  605.901152][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  605.906860][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  605.913577][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  605.920390][    C1] yealink 2-1:36.0: unexpected response 0
[  605.927241][    C0] yealink 1-1:36.0: unexpected response 0
[  605.934489][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  605.940994][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  605.946844][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  605.953681][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  605.959852][    C1] yealink 2-1:36.0: unexpected response 0
[  605.966605][    C0] yealink 1-1:36.0: unexpected response 0
[  605.973991][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  605.979825][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  605.985325][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  605.992155][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  605.998804][    C1] yealink 2-1:36.0: unexpected response 0
[  606.005829][    C0] yealink 1-1:36.0: unexpected response 0
[  606.013291][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  606.019008][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  606.024731][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  606.031547][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  606.038231][    C1] yealink 2-1:36.0: unexpected response 0
[  606.044999][    C0] yealink 1-1:36.0: unexpected response 0
[  606.052635][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  606.058603][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  606.064271][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  606.070994][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  606.077535][    C1] yealink 2-1:36.0: unexpected response 0
[  606.084553][    C0] yealink 1-1:36.0: unexpected response 0
[  606.091734][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  606.097600][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  606.103504][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  606.110323][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  606.117078][    C1] yealink 2-1:36.0: unexpected response 0
[  606.124092][    C0] yealink 1-1:36.0: unexpected response 0
[  606.131235][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  606.137036][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  606.143414][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  606.151216][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  606.156702][    C1] yealink 2-1:36.0: unexpected response 0
[  606.163543][    C0] yealink 1-1:36.0: unexpected response 0
[  606.171287][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  606.176601][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  606.182193][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  606.189204][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  606.195886][    C1] yealink 2-1:36.0: unexpected response 0
[  606.202750][    C0] yealink 1-1:36.0: unexpected response 0
[  606.209867][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  606.215435][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  606.221206][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  606.228082][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  606.234620][    C1] yealink 2-1:36.0: unexpected response 0
[  606.241443][    C0] yealink 1-1:36.0: unexpected response 0
[  606.250182][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  606.254896][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  606.260397][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  606.267467][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  606.273421][    C1] yealink 2-1:36.0: unexpected response 0
[  606.280170][    C0] yealink 1-1:36.0: unexpected response 0
[  606.288849][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  606.293640][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  606.299347][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  606.306129][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  606.312739][    C1] yealink 2-1:36.0: unexpected response 0
[  606.319487][    C0] yealink 1-1:36.0: unexpected response 0
[  606.326634][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  606.332322][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  606.338073][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  606.346109][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  606.351710][    C1] yealink 2-1:36.0: unexpected response 0
[  606.358542][    C0] yealink 1-1:36.0: unexpected response 0
[  606.366060][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  606.371573][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  606.377547][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  606.383955][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  606.390562][    C1] yealink 2-1:36.0: unexpected response 0
[  606.397326][    C0] yealink 1-1:36.0: unexpected response 0
[  606.404570][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  606.410622][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  606.416425][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  606.423154][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  606.429678][    C1] yealink 2-1:36.0: unexpected response 0
[  606.436423][    C0] yealink 1-1:36.0: unexpected response 0
[  606.443877][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  606.450261][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  606.456158][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  606.462989][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  606.469015][    C1] yealink 2-1:36.0: unexpected response 0
[  606.475907][    C0] yealink 1-1:36.0: unexpected response 0
[  606.483422][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  606.489740][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  606.494589][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  606.501430][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  606.508148][    C1] yealink 2-1:36.0: unexpected response 0
[  606.515111][    C0] yealink 1-1:36.0: unexpected response 0
[  606.522156][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  606.527958][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  606.533720][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  606.540790][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  606.547742][    C1] yealink 2-1:36.0: unexpected response 0
[  606.554515][    C0] yealink 1-1:36.0: unexpected response 0
[  606.562872][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  606.568163][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  606.573804][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  606.581093][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  606.587199][    C1] yealink 2-1:36.0: unexpected response 0
[  606.594046][    C0] yealink 1-1:36.0: unexpected response 0
[  606.601315][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  606.607339][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  606.612624][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  606.619421][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  606.626058][    C1] yealink 2-1:36.0: unexpected response 0
[  606.633012][    C0] yealink 1-1:36.0: unexpected response 0
[  606.640273][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  606.649174][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  606.652294][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  606.659316][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  606.665139][    C1] yealink 2-1:36.0: unexpected response 0
[  606.671967][    C0] yealink 1-1:36.0: unexpected response 0
[  606.679349][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  606.685320][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  606.690685][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  606.697490][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  606.704245][    C1] yealink 2-1:36.0: unexpected response 0
[  606.711188][    C0] yealink 1-1:36.0: unexpected response 0
[  606.718750][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  606.724576][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  606.730473][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  606.737413][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  606.744046][    C1] yealink 2-1:36.0: unexpected response 0
[  606.751049][    C0] yealink 1-1:36.0: unexpected response 0
[  606.760114][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  606.767202][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  606.771622][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  606.778806][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  606.784948][    C1] yealink 2-1:36.0: unexpected response 0
[  606.792042][    C0] yealink 1-1:36.0: unexpected response 0
[  606.799940][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  606.804902][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  606.810625][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  606.817427][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  606.824143][    C1] yealink 2-1:36.0: unexpected response 0
[  606.830899][    C0] yealink 1-1:36.0: unexpected response 0
[  606.837878][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  606.843602][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  606.849324][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  606.857381][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  606.863169][    C1] yealink 2-1:36.0: unexpected response 0
[  606.870025][    C0] yealink 1-1:36.0: unexpected response 0
[  606.877763][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  606.883835][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  606.889218][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  606.895914][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  606.902529][    C1] yealink 2-1:36.0: unexpected response 0
[  606.909271][    C0] yealink 1-1:36.0: unexpected response 0
[  606.916235][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  606.922014][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  606.927698][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  606.934577][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  606.941129][    C1] yealink 2-1:36.0: unexpected response 0
[  606.947958][    C0] yealink 1-1:36.0: unexpected response 0
[  606.955133][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  606.962301][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  606.966994][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  606.973982][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  606.979796][    C1] yealink 2-1:36.0: unexpected response 0
[  606.986687][    C0] yealink 1-1:36.0: unexpected response 0
[  606.993984][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  606.999641][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  607.005290][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  607.012129][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  607.018848][    C1] yealink 2-1:36.0: unexpected response 0
[  607.025617][    C0] yealink 1-1:36.0: unexpected response 0
[  607.032816][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  607.038647][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  607.044253][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  607.051090][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  607.057620][    C1] yealink 2-1:36.0: unexpected response 0
[  607.064544][    C0] yealink 1-1:36.0: unexpected response 0
[  607.072168][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  607.079326][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  607.083531][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  607.090684][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  607.096688][    C1] yealink 2-1:36.0: unexpected response 0
[  607.103720][    C0] yealink 1-1:36.0: unexpected response 0
[  607.110728][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  607.116535][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  607.122430][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  607.129126][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  607.135735][    C1] yealink 2-1:36.0: unexpected response 0
[  607.142488][    C0] yealink 1-1:36.0: unexpected response 0
[  607.149955][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  607.155528][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  607.161216][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  607.168848][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  607.174734][    C1] yealink 2-1:36.0: unexpected response 0
[  607.181502][    C0] yealink 1-1:36.0: unexpected response 0
[  607.189108][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  607.195058][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  607.200717][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  607.207050][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  607.213877][    C1] yealink 2-1:36.0: unexpected response 0
[  607.221241][    C0] yealink 1-1:36.0: unexpected response 0
[  607.228695][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  607.234493][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  607.240329][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  607.247026][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  607.253662][    C1] yealink 2-1:36.0: unexpected response 0
[  607.260413][    C0] yealink 1-1:36.0: unexpected response 0
[  607.268219][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  607.274619][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  607.279693][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  607.286509][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  607.292714][    C1] yealink 2-1:36.0: unexpected response 0
[  607.299545][    C0] yealink 1-1:36.0: unexpected response 0
[  607.306642][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  607.312790][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  607.318380][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  607.325429][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  607.331844][    C1] yealink 2-1:36.0: unexpected response 0
[  607.338582][    C0] yealink 1-1:36.0: unexpected response 0
[  607.345678][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  607.351315][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  607.361434][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  607.364284][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  607.370913][    C1] yealink 2-1:36.0: unexpected response 0
[  607.377775][    C0] yealink 1-1:36.0: unexpected response 0
[  607.390516][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  607.396942][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  607.403562][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  607.410514][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  607.416469][    C1] yealink 2-1:36.0: unexpected response 0
[  607.423215][    C0] yealink 1-1:36.0: unexpected response 0
[  607.429227][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  607.434930][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  607.441861][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  607.448902][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  607.455586][    C1] yealink 2-1:36.0: unexpected response 0
[  607.462648][    C0] yealink 1-1:36.0: unexpected response 0
[  607.468742][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  607.474971][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  607.481770][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  607.488602][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  607.494597][    C1] yealink 2-1:36.0: unexpected response 0
[  607.501343][    C0] yealink 1-1:36.0: unexpected response 0
[  607.507761][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  607.513366][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  607.520100][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  607.527086][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  607.533891][    C1] yealink 2-1:36.0: unexpected response 0
[  607.540742][    C0] yealink 1-1:36.0: unexpected response 0
[  607.546799][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  607.552527][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  607.559278][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  607.566035][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  607.572547][    C1] yealink 2-1:36.0: unexpected response 0
[  607.579474][    C0] yealink 1-1:36.0: unexpected response 0
[  607.586218][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  607.592000][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  607.599106][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  607.605860][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  607.611931][    C1] yealink 2-1:36.0: unexpected response 0
[  607.618764][    C0] yealink 1-1:36.0: unexpected response 0
[  607.624916][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  607.630854][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  607.637451][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  607.644228][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  607.650949][    C1] yealink 2-1:36.0: unexpected response 0
[  607.657774][    C0] yealink 1-1:36.0: unexpected response 0
[  607.663713][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  607.669558][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  607.676736][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  607.683945][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  607.689625][    C1] yealink 2-1:36.0: unexpected response 0
[  607.696562][    C0] yealink 1-1:36.0: unexpected response 0
[  607.703543][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  607.709583][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  607.715833][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  607.722922][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  607.729412][    C1] yealink 2-1:36.0: unexpected response 0
[  607.736755][    C0] yealink 1-1:36.0: unexpected response 0
[  607.742933][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  607.748842][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  607.755522][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  607.762303][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  607.768771][    C1] yealink 2-1:36.0: unexpected response 0
[  607.775574][    C0] yealink 1-1:36.0: unexpected response 0
[  607.782150][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  607.788389][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  607.794474][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  607.801213][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  607.807385][    C1] yealink 2-1:36.0: unexpected response 0
[  607.814131][    C0] yealink 1-1:36.0: unexpected response 0
[  607.820192][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  607.825923][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  607.832692][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  607.839479][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  607.846164][    C1] yealink 2-1:36.0: unexpected response 0
[  607.852997][    C0] yealink 1-1:36.0: unexpected response 0
[  607.859043][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  607.864773][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  607.871602][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  607.878361][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  607.885194][    C1] yealink 2-1:36.0: unexpected response 0
[  607.892018][    C0] yealink 1-1:36.0: unexpected response 0
[  607.898377][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  607.904837][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  607.910772][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  607.917332][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  607.923781][    C1] yealink 2-1:36.0: unexpected response 0
[  607.930703][    C0] yealink 1-1:36.0: unexpected response 0
[  607.936712][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  607.942834][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  607.949548][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  607.956333][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  607.963017][    C1] yealink 2-1:36.0: unexpected response 0
[  607.969764][    C0] yealink 1-1:36.0: unexpected response 0
[  607.975744][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  607.981542][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  607.991915][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  607.996471][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  608.002013][    C1] yealink 2-1:36.0: unexpected response 0
[  608.008851][    C0] yealink 1-1:36.0: unexpected response 0
[  608.015404][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  608.020872][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  608.027548][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  608.034476][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  608.041217][    C1] yealink 2-1:36.0: unexpected response 0
[  608.048077][    C0] yealink 1-1:36.0: unexpected response 0
[  608.054096][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  608.059980][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  608.066713][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  608.073704][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  608.080190][    C1] yealink 2-1:36.0: unexpected response 0
[  608.087107][    C0] yealink 1-1:36.0: unexpected response 0
[  608.093619][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  608.099950][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  608.106156][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  608.112783][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  608.119205][    C1] yealink 2-1:36.0: unexpected response 0
[  608.126126][    C0] yealink 1-1:36.0: unexpected response 0
[  608.132253][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  608.138068][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  608.144781][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  608.151869][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  608.158352][    C1] yealink 2-1:36.0: unexpected response 0
[  608.165098][    C0] yealink 1-1:36.0: unexpected response 0
[  608.171266][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  608.177128][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  608.183909][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  608.191864][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  608.197343][    C1] yealink 2-1:36.0: unexpected response 0
[  608.204185][    C0] yealink 1-1:36.0: unexpected response 0
[  608.211469][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  608.216206][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  608.223361][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  608.229815][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  608.236322][    C1] yealink 2-1:36.0: unexpected response 0
[  608.243153][    C0] yealink 1-1:36.0: unexpected response 0
[  608.249256][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  608.254965][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  608.261851][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  608.268584][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  608.275089][    C1] yealink 2-1:36.0: unexpected response 0
[  608.281829][    C0] yealink 1-1:36.0: unexpected response 0
[  608.287865][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  608.294260][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  608.300862][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  608.307700][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  608.313904][    C1] yealink 2-1:36.0: unexpected response 0
[  608.321000][    C0] yealink 1-1:36.0: unexpected response 0
[  608.327520][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  608.332748][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  608.339596][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  608.346668][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  608.354078][    C1] yealink 2-1:36.0: unexpected response 0
[  608.360836][    C0] yealink 1-1:36.0: unexpected response 0
[  608.366858][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  608.372467][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  608.379179][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  608.385917][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  608.392582][    C1] yealink 2-1:36.0: unexpected response 0
[  608.399679][    C0] yealink 1-1:36.0: unexpected response 0
[  608.406172][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  608.411943][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  608.418490][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  608.425584][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  608.431774][    C1] yealink 2-1:36.0: unexpected response 0
[  608.438623][    C0] yealink 1-1:36.0: unexpected response 0
[  608.444661][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  608.450335][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  608.456984][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  608.464063][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  608.471162][    C1] yealink 2-1:36.0: unexpected response 0
[  608.477997][    C0] yealink 1-1:36.0: unexpected response 0
[  608.484254][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  608.490065][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  608.497315][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  608.504641][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  608.510114][    C1] yealink 2-1:36.0: unexpected response 0
[  608.516876][    C0] yealink 1-1:36.0: unexpected response 0
[  608.523404][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  608.529730][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  608.535656][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  608.542453][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  608.549264][    C1] yealink 2-1:36.0: unexpected response 0
[  608.556267][    C0] yealink 1-1:36.0: unexpected response 0
[  608.562252][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  608.567932][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  608.574945][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  608.581850][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  608.588435][    C1] yealink 2-1:36.0: unexpected response 0
[  608.595260][    C0] yealink 1-1:36.0: unexpected response 0
[  608.601965][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  608.608250][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  608.614489][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  608.620938][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  608.627453][    C1] yealink 2-1:36.0: unexpected response 0
[  608.634366][    C0] yealink 1-1:36.0: unexpected response 0
[  608.640643][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  608.646703][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  608.653427][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  608.660447][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  608.667063][    C1] yealink 2-1:36.0: unexpected response 0
[  608.673906][    C0] yealink 1-1:36.0: unexpected response 0
[  608.680564][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  608.686782][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  608.693692][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  608.701258][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  608.707949][    C1] yealink 2-1:36.0: unexpected response 0
[  608.715078][    C0] yealink 1-1:36.0: unexpected response 0
[  608.722168][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  608.727945][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  608.735096][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  608.741632][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  608.748417][    C1] yealink 2-1:36.0: unexpected response 0
[  608.755568][    C0] yealink 1-1:36.0: unexpected response 0
[  608.762496][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  608.768477][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  608.775729][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  608.782471][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  608.789003][    C1] yealink 2-1:36.0: unexpected response 0
[  608.795835][    C0] yealink 1-1:36.0: unexpected response 0
[  608.802617][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  608.808320][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  608.815170][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  608.822244][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  608.828367][    C1] yealink 2-1:36.0: unexpected response 0
[  608.835297][    C0] yealink 1-1:36.0: unexpected response 0
[  608.841785][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  608.847909][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  608.854511][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  608.861289][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  608.867799][    C1] yealink 2-1:36.0: unexpected response 0
[  608.874634][    C0] yealink 1-1:36.0: unexpected response 0
[  608.880647][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  608.886623][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  608.893588][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  608.900613][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  608.907115][    C1] yealink 2-1:36.0: unexpected response 0
[  608.913880][    C0] yealink 1-1:36.0: unexpected response 0
[  608.921066][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  608.926637][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  608.933271][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  608.940048][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  608.946125][    C1] yealink 2-1:36.0: unexpected response 0
[  608.953050][    C0] yealink 1-1:36.0: unexpected response 0
[  608.959270][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  608.964978][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  608.971800][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  608.978872][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  608.985475][    C1] yealink 2-1:36.0: unexpected response 0
[  608.992314][    C0] yealink 1-1:36.0: unexpected response 0
[  608.998345][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  609.004111][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  609.011408][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  609.018999][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  609.024369][    C1] yealink 2-1:36.0: unexpected response 0
[  609.031140][    C0] yealink 1-1:36.0: unexpected response 0
[  609.037760][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  609.043117][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  609.049779][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  609.056637][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  609.063431][    C1] yealink 2-1:36.0: unexpected response 0
[  609.070207][    C0] yealink 1-1:36.0: unexpected response 0
[  609.076324][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  609.082052][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  609.088752][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  609.095636][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  609.102047][    C1] yealink 2-1:36.0: unexpected response 0
[  609.109432][    C0] yealink 1-1:36.0: unexpected response 0
[  609.116659][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  609.122919][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  609.130018][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  609.136913][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  609.143148][    C1] yealink 2-1:36.0: unexpected response 0
[  609.149985][    C0] yealink 1-1:36.0: unexpected response 0
[  609.156021][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  609.161855][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  609.168504][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  609.175588][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  609.182094][    C1] yealink 2-1:36.0: unexpected response 0
[  609.188925][    C0] yealink 1-1:36.0: unexpected response 0
[  609.194978][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  609.200868][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  609.207784][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  609.215503][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  609.221797][    C1] yealink 2-1:36.0: unexpected response 0
[  609.228633][    C0] yealink 1-1:36.0: unexpected response 0
[  609.241075][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  609.241938][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  609.248382][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  609.255801][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  609.262185][    C0] yealink 1-1:36.0: unexpected response 0
[  609.269140][    C1] yealink 2-1:36.0: unexpected response 0
[  609.275160][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  609.281201][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  609.287992][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  609.295057][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  609.301560][    C0] yealink 1-1:36.0: unexpected response 0
[  609.308569][    C1] yealink 2-1:36.0: unexpected response 0
[  609.315266][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  609.321938][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  609.327676][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  609.334311][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  609.340490][    C0] yealink 1-1:36.0: unexpected response 0
[  609.347446][    C1] yealink 2-1:36.0: unexpected response 0
[  609.353633][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  609.359228][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  609.366060][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  609.372923][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  609.379473][    C0] yealink 1-1:36.0: unexpected response 0
[  609.386334][    C1] yealink 2-1:36.0: unexpected response 0
[  609.392271][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  609.398408][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  609.405264][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  609.412126][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  609.418674][    C0] yealink 1-1:36.0: unexpected response 0
[  609.425678][    C1] yealink 2-1:36.0: unexpected response 0
[  609.433025][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  609.439126][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  609.444649][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  609.451899][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  609.458140][    C0] yealink 1-1:36.0: unexpected response 0
[  609.464999][    C1] yealink 2-1:36.0: unexpected response 0
[  609.471299][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  609.476879][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  609.483757][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  609.490622][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  609.497251][    C0] yealink 1-1:36.0: unexpected response 0
[  609.503988][    C1] yealink 2-1:36.0: unexpected response 0
[  609.509934][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  609.515835][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  609.523182][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  609.530199][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  609.536219][    C0] yealink 1-1:36.0: unexpected response 0
[  609.543143][    C1] yealink 2-1:36.0: unexpected response 0
[  609.549603][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  609.555855][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  609.562256][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  609.569394][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  609.576112][    C0] yealink 1-1:36.0: unexpected response 0
[  609.583387][    C1] yealink 2-1:36.0: unexpected response 0
[  609.589807][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  609.595806][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  609.602511][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  609.609309][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  609.616533][    C0] yealink 1-1:36.0: unexpected response 0
[  609.623358][    C1] yealink 2-1:36.0: unexpected response 0
[  609.630624][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  609.635925][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  609.642518][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  609.649850][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  609.656255][    C0] yealink 1-1:36.0: unexpected response 0
[  609.663087][    C1] yealink 2-1:36.0: unexpected response 0
[  609.669100][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  609.674868][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  609.681729][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  609.688612][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  609.695468][    C0] yealink 1-1:36.0: unexpected response 0
[  609.703320][    C1] yealink 2-1:36.0: unexpected response 0
[  609.709702][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  609.715483][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  609.722608][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  609.730420][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  609.736176][    C0] yealink 1-1:36.0: unexpected response 0
[  609.743022][    C1] yealink 2-1:36.0: unexpected response 0
[  609.750214][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  609.756440][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  609.761878][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  609.771472][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  609.775131][    C0] yealink 1-1:36.0: unexpected response 0
[  609.781897][    C1] yealink 2-1:36.0: unexpected response 0
[  609.788317][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  609.794245][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  609.801293][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  609.808064][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  609.814591][    C0] yealink 1-1:36.0: unexpected response 0
[  609.821421][    C1] yealink 2-1:36.0: unexpected response 0
[  609.828385][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  609.833870][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  609.840754][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  609.847459][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  609.853735][    C0] yealink 1-1:36.0: unexpected response 0
[  609.860659][    C1] yealink 2-1:36.0: unexpected response 0
[  609.866775][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  609.872593][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  609.879289][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  609.886096][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  609.892728][    C0] yealink 1-1:36.0: unexpected response 0
[  609.899557][    C1] yealink 2-1:36.0: unexpected response 0
[  609.905682][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  609.911436][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  609.918221][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  609.925224][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  609.931776][    C0] yealink 1-1:36.0: unexpected response 0
[  609.938688][    C1] yealink 2-1:36.0: unexpected response 0
[  609.945845][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  609.951410][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  609.957905][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  609.965489][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  609.971350][    C0] yealink 1-1:36.0: unexpected response 0
[  609.978255][    C1] yealink 2-1:36.0: unexpected response 0
[  609.984273][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  609.989939][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  609.996828][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  610.003689][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  610.010213][    C0] yealink 1-1:36.0: unexpected response 0
[  610.017242][    C1] yealink 2-1:36.0: unexpected response 0
[  610.023385][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  610.029104][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  610.037049][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  610.043660][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  610.049491][    C0] yealink 1-1:36.0: unexpected response 0
[  610.056401][    C1] yealink 2-1:36.0: unexpected response 0
[  610.062451][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  610.068445][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  610.074922][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  610.082017][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  610.088798][    C0] yealink 1-1:36.0: unexpected response 0
[  610.095898][    C1] yealink 2-1:36.0: unexpected response 0
[  610.102036][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  610.107668][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  610.114932][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  610.121529][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  610.128215][    C0] yealink 1-1:36.0: unexpected response 0
[  610.134994][    C1] yealink 2-1:36.0: unexpected response 0
[  610.142326][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  610.147754][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  610.153957][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  610.161498][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  610.167802][    C0] yealink 1-1:36.0: unexpected response 0
[  610.174752][    C1] yealink 2-1:36.0: unexpected response 0
[  610.180746][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  610.186539][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  610.193265][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  610.200150][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  610.206875][    C0] yealink 1-1:36.0: unexpected response 0
[  610.213633][    C1] yealink 2-1:36.0: unexpected response 0
[  610.219792][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  610.225448][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  610.232317][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  610.240942][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  610.245839][    C0] yealink 1-1:36.0: unexpected response 0
[  610.252679][    C1] yealink 2-1:36.0: unexpected response 0
[  610.260223][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  610.264684][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  610.271576][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  610.277986][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  610.284643][    C0] yealink 1-1:36.0: unexpected response 0
[  610.291575][    C1] yealink 2-1:36.0: unexpected response 0
[  610.297582][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  610.303403][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  610.310485][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  610.316964][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  610.323592][    C0] yealink 1-1:36.0: unexpected response 0
[  610.330592][    C1] yealink 2-1:36.0: unexpected response 0
[  610.336504][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  610.342917][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  610.349749][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  610.356171][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  610.362329][    C0] yealink 1-1:36.0: unexpected response 0
[  610.369076][    C1] yealink 2-1:36.0: unexpected response 0
[  610.375852][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  610.380995][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  610.387734][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  610.394531][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  610.401057][    C0] yealink 1-1:36.0: unexpected response 0
[  610.407830][    C1] yealink 2-1:36.0: unexpected response 0
[  610.413768][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  610.419581][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  610.426293][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  610.432989][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  610.439558][    C0] yealink 1-1:36.0: unexpected response 0
[  610.446390][    C1] yealink 2-1:36.0: unexpected response 0
[  610.453044][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  610.461828][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  610.465382][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  610.471922][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  610.478147][    C0] yealink 1-1:36.0: unexpected response 0
[  610.484995][    C1] yealink 2-1:36.0: unexpected response 0
[  610.491085][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  610.496735][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  610.503568][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  610.510742][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  610.517349][    C0] yealink 1-1:36.0: unexpected response 0
[  610.524093][    C1] yealink 2-1:36.0: unexpected response 0
[  610.530014][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  610.535875][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  610.543508][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  610.550712][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  610.556610][    C0] yealink 1-1:36.0: unexpected response 0
[  610.563449][    C1] yealink 2-1:36.0: unexpected response 0
[  610.570017][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  610.575655][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  610.582139][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  610.588998][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  610.595575][    C0] yealink 1-1:36.0: unexpected response 0
[  610.602407][    C1] yealink 2-1:36.0: unexpected response 0
[  610.608327][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  610.614022][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  610.620849][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  610.627647][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  610.634158][    C0] yealink 1-1:36.0: unexpected response 0
[  610.640938][    C1] yealink 2-1:36.0: unexpected response 0
[  610.647647][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  610.656411][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  610.660076][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  610.666807][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  610.673182][    C0] yealink 1-1:36.0: unexpected response 0
[  610.680114][    C1] yealink 2-1:36.0: unexpected response 0
[  610.686037][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  610.691877][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  610.698764][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  610.705494][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  610.712015][    C0] yealink 1-1:36.0: unexpected response 0
[  610.718839][    C1] yealink 2-1:36.0: unexpected response 0
[  610.725168][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  610.730929][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  610.737755][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  610.744845][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  610.751777][    C0] yealink 1-1:36.0: unexpected response 0
[  610.758567][    C1] yealink 2-1:36.0: unexpected response 0
[  610.765201][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  610.770770][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  610.778184][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  610.785648][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  610.791221][    C0] yealink 1-1:36.0: unexpected response 0
[  610.797982][    C1] yealink 2-1:36.0: unexpected response 0
[  610.804010][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  610.810013][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  610.816773][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  610.823538][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  610.830138][    C0] yealink 1-1:36.0: unexpected response 0
[  610.837053][    C1] yealink 2-1:36.0: unexpected response 0
[  610.843075][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  610.848810][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  610.862098][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  610.863107][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  610.869316][    C0] yealink 1-1:36.0: unexpected response 0
[  610.876160][    C1] yealink 2-1:36.0: unexpected response 0
[  610.882815][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  610.888557][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  610.894845][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  610.901640][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  610.908198][    C0] yealink 1-1:36.0: unexpected response 0
[  610.915039][    C1] yealink 2-1:36.0: unexpected response 0
[  610.920977][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  610.926841][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  610.933578][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  610.940318][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  610.947043][    C0] yealink 1-1:36.0: unexpected response 0
[  610.953877][    C1] yealink 2-1:36.0: unexpected response 0
[  610.954673][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  610.962204][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  610.965959][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  610.972984][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  610.978967][    C1] yealink 2-1:36.0: unexpected response 0
[  610.985745][    C0] yealink 1-1:36.0: unexpected response 0
[  610.993830][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  610.998760][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  611.004292][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  611.010996][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  611.017664][    C1] yealink 2-1:36.0: unexpected response 0
[  611.024419][    C0] yealink 1-1:36.0: unexpected response 0
[  611.031479][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  611.037178][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  611.042905][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  611.049824][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  611.056283][    C1] yealink 2-1:36.0: unexpected response 0
[  611.063047][    C0] yealink 1-1:36.0: unexpected response 0
[  611.070583][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  611.076724][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  611.082011][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  611.088976][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  611.095073][    C1] yealink 2-1:36.0: unexpected response 0
[  611.101814][    C0] yealink 1-1:36.0: unexpected response 0
[  611.109003][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  611.114984][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  611.120671][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  611.127489][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  611.134032][    C1] yealink 2-1:36.0: unexpected response 0
[  611.140772][    C0] yealink 1-1:36.0: unexpected response 0
[  611.147924][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  611.153626][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  611.160277][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  611.167449][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  611.173177][    C1] yealink 2-1:36.0: unexpected response 0
[  611.179953][    C0] yealink 1-1:36.0: unexpected response 0
[  611.187078][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  611.192676][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  611.198307][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  611.205218][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  611.212235][    C1] yealink 2-1:36.0: unexpected response 0
[  611.218984][    C0] yealink 1-1:36.0: unexpected response 0
[  611.226336][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  611.231981][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  611.237810][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  611.244681][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  611.251249][    C1] yealink 2-1:36.0: unexpected response 0
[  611.258174][    C0] yealink 1-1:36.0: unexpected response 0
[  611.265856][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  611.272083][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  611.277485][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  611.284687][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  611.290670][    C1] yealink 2-1:36.0: unexpected response 0
[  611.297684][    C0] yealink 1-1:36.0: unexpected response 0
[  611.305088][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  611.311438][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  611.316583][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  611.323337][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  611.330164][    C1] yealink 2-1:36.0: unexpected response 0
[  611.337266][    C0] yealink 1-1:36.0: unexpected response 0
[  611.344389][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  611.350058][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  611.356429][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  611.368014][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  611.369364][    C1] yealink 2-1:36.0: unexpected response 0
[  611.376367][    C0] yealink 1-1:36.0: unexpected response 0
[  611.384352][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  611.390394][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  611.396032][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  611.402390][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  611.409122][    C1] yealink 2-1:36.0: unexpected response 0
[  611.415860][    C0] yealink 1-1:36.0: unexpected response 0
[  611.422883][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  611.428828][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  611.434714][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  611.441629][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  611.448270][    C1] yealink 2-1:36.0: unexpected response 0
[  611.455045][    C0] yealink 1-1:36.0: unexpected response 0
[  611.462385][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  611.469172][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  611.474652][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  611.481731][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  611.487673][    C1] yealink 2-1:36.0: unexpected response 0
[  611.494701][    C0] yealink 1-1:36.0: unexpected response 0
[  611.502396][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  611.507927][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  611.513936][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  611.521125][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  611.527680][    C1] yealink 2-1:36.0: unexpected response 0
[  611.534437][    C0] yealink 1-1:36.0: unexpected response 0
[  611.541859][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  611.548064][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  611.553825][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  611.560737][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  611.567556][    C1] yealink 2-1:36.0: unexpected response 0
[  611.574295][    C0] yealink 1-1:36.0: unexpected response 0
[  611.581725][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  611.587769][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  611.593181][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  611.600334][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  611.606427][    C1] yealink 2-1:36.0: unexpected response 0
[  611.613178][    C0] yealink 1-1:36.0: unexpected response 0
[  611.620217][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  611.625857][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  611.631790][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  611.638376][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  611.645264][    C1] yealink 2-1:36.0: unexpected response 0
[  611.652552][    C0] yealink 1-1:36.0: unexpected response 0
[  611.659619][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  611.665395][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  611.671986][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  611.682192][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  611.684633][    C1] yealink 2-1:36.0: unexpected response 0
[  611.691676][    C0] yealink 1-1:36.0: unexpected response 0
[  611.699264][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  611.705121][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  611.710333][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  611.717431][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  611.724177][    C1] yealink 2-1:36.0: unexpected response 0
[  611.730926][    C0] yealink 1-1:36.0: unexpected response 0
[  611.738106][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  611.743839][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  611.749533][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  611.756358][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  611.763064][    C1] yealink 2-1:36.0: unexpected response 0
[  611.769812][    C0] yealink 1-1:36.0: unexpected response 0
[  611.781905][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  611.792175][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  611.795797][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  611.802765][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  611.808869][    C1] yealink 2-1:36.0: unexpected response 0
[  611.815614][    C0] yealink 1-1:36.0: unexpected response 0
[  611.821566][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  611.827615][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  611.834518][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  611.841632][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  611.847877][    C1] yealink 2-1:36.0: unexpected response 0
[  611.854791][    C0] yealink 1-1:36.0: unexpected response 0
[  611.861144][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  611.866937][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  611.873622][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  611.882237][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  611.887444][    C1] yealink 2-1:36.0: unexpected response 0
[  611.894627][    C0] yealink 1-1:36.0: unexpected response 0
[  611.901665][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  611.906947][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  611.913657][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  611.920205][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  611.926679][    C1] yealink 2-1:36.0: unexpected response 0
[  611.933435][    C0] yealink 1-1:36.0: unexpected response 0
[  611.939753][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  611.945459][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  611.952580][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  611.959503][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  611.965998][    C1] yealink 2-1:36.0: unexpected response 0
[  611.972751][    C0] yealink 1-1:36.0: unexpected response 0
[  611.979561][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  611.985738][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  611.992260][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  611.999392][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  612.005346][    C1] yealink 2-1:36.0: unexpected response 0
[  612.012399][    C0] yealink 1-1:36.0: unexpected response 0
[  612.018679][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  612.027347][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  612.031629][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  612.038527][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  612.045271][    C1] yealink 2-1:36.0: unexpected response 0
executing program
[  612.052028][    C0] yealink 1-1:36.0: unexpected response 0
[  612.058180][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  612.064561][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  612.071669][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  612.078499][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  612.085148][    C1] yealink 2-1:36.0: unexpected response 0
[  612.092253][    C0] yealink 1-1:36.0: unexpected response 0
[  612.099372][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  612.104807][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  612.111047][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  612.118331][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  612.124618][    C1] yealink 2-1:36.0: unexpected response 0
[  612.131363][    C0] yealink 1-1:36.0: unexpected response 0
[  612.137351][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  612.143185][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  612.150226][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  612.157403][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  612.164207][    C1] yealink 2-1:36.0: unexpected response 0
[  612.171355][    C0] yealink 1-1:36.0: unexpected response 0
[  612.177448][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  612.183700][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  612.190224][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  612.197403][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  612.203467][    C1] yealink 2-1:36.0: unexpected response 0
[  612.210301][    C0] yealink 1-1:36.0: unexpected response 0
[  612.216710][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  612.222007][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  612.228882][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  612.235750][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  612.242397][    C1] yealink 2-1:36.0: unexpected response 0
[  612.249145][    C0] yealink 1-1:36.0: unexpected response 0
[  612.255174][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  612.261149][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  612.267898][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  612.274663][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  612.281424][    C1] yealink 2-1:36.0: unexpected response 0
[  612.288543][    C0] yealink 1-1:36.0: unexpected response 0
[  612.295162][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  612.301493][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  612.307861][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  612.314891][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  612.320977][    C1] yealink 2-1:36.0: unexpected response 0
[  612.327840][    C0] yealink 1-1:36.0: unexpected response 0
[  612.333908][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  612.339836][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  612.346750][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  612.353500][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  612.360237][    C1] yealink 2-1:36.0: unexpected response 0
[  612.366981][    C0] yealink 1-1:36.0: unexpected response 0
[  612.373065][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  612.381414][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  612.385695][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  612.395674][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  612.399218][    C1] yealink 2-1:36.0: unexpected response 0
[  612.406058][    C0] yealink 1-1:36.0: unexpected response 0
[  612.412589][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  612.421425][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  612.425130][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  612.431737][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  612.438351][    C1] yealink 2-1:36.0: unexpected response 0
[  612.445354][    C0] yealink 1-1:36.0: unexpected response 0
[  612.451587][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  612.457387][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  612.464164][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  612.470953][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  612.477521][    C1] yealink 2-1:36.0: unexpected response 0
[  612.484264][    C0] yealink 1-1:36.0: unexpected response 0
[  612.491021][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  612.496822][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  612.503381][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  612.510558][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  612.516788][    C1] yealink 2-1:36.0: unexpected response 0
[  612.523542][    C0] yealink 1-1:36.0: unexpected response 0
[  612.529685][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  612.535728][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  612.542953][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  612.549706][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  612.556339][    C1] yealink 2-1:36.0: unexpected response 0
[  612.563344][    C0] yealink 1-1:36.0: unexpected response 0
[  612.569293][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  612.575039][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  612.581930][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  612.588703][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  612.595587][    C1] yealink 2-1:36.0: unexpected response 0
[  612.602332][    C0] yealink 1-1:36.0: unexpected response 0
[  612.608676][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  612.614625][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  612.621065][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  612.628108][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  612.634154][    C1] yealink 2-1:36.0: unexpected response 0
[  612.640986][    C0] yealink 1-1:36.0: unexpected response 0
[  612.646968][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  612.652809][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  612.659674][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  612.666827][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  612.673331][    C1] yealink 2-1:36.0: unexpected response 0
[  612.680171][    C0] yealink 1-1:36.0: unexpected response 0
[  612.686222][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  612.692053][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  612.699166][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  612.706406][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  612.712293][    C1] yealink 2-1:36.0: unexpected response 0
[  612.719053][    C0] yealink 1-1:36.0: unexpected response 0
[  612.725364][    C1] yealink 2-1:36.0: urb_ctl_callback - urb status -71
[  612.731462][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  612.737608][    C1] yealink 2-1:36.0: urb_irq_callback - urb status -71
[  612.744496][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71