[  462.554326][ T6757] usb 1-1: new high-speed USB device number 93 using dummy_hcd
[  462.720817][   T12] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[  462.764309][   T12] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[  462.823825][   T12] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[  462.876241][   T12] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[  462.989760][   T12] bridge_slave_1: left allmulticast mode
[  462.997449][   T12] bridge_slave_1: left promiscuous mode
[  463.003217][   T12] bridge0: port 2(bridge_slave_1) entered disabled state
[  463.012304][   T12] bridge_slave_0: left allmulticast mode
[  463.018443][   T12] bridge_slave_0: left promiscuous mode
[  463.024102][   T12] bridge0: port 1(bridge_slave_0) entered disabled state
[  463.252803][   T12] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface
[  463.263694][   T12] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface
[  463.273644][   T12] bond0 (unregistering): Released all slaves
[  463.580889][   T12] hsr_slave_0: left promiscuous mode
[  463.587865][   T12] hsr_slave_1: left promiscuous mode
[  463.593788][   T12] batman_adv: batadv0: Interface deactivated: batadv_slave_0
[  463.602382][   T12] batman_adv: batadv0: Removing interface: batadv_slave_0
[  463.611780][   T12] batman_adv: batadv0: Interface deactivated: batadv_slave_1
[  463.619378][   T12] batman_adv: batadv0: Removing interface: batadv_slave_1
[  463.632418][   T12] veth1_macvtap: left promiscuous mode
[  463.638162][   T12] veth0_macvtap: left promiscuous mode
[  463.643735][   T12] veth1_vlan: left promiscuous mode
[  463.649130][   T12] veth0_vlan: left promiscuous mode
[  463.923252][   T12] team0 (unregistering): Port device team_slave_1 removed
[  463.957254][   T12] team0 (unregistering): Port device team_slave_0 removed
Warning: Permanently added '10.128.1.140' (ED25519) to the list of known hosts.
executing program
[  467.854401][ T6757] usb 1-1: new high-speed USB device number 94 using dummy_hcd
[  468.004316][ T6757] usb 1-1: Using ep0 maxpacket: 32
[  468.011083][ T6757] usb 1-1: config 0 has an invalid interface number: 51 but max is 0
[  468.019265][ T6757] usb 1-1: config 0 has no interface number 0
[  468.027646][ T6757] usb 1-1: New USB device found, idVendor=061d, idProduct=c150, bcdDevice=ce.6f
[  468.036876][ T6757] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  468.044901][ T6757] usb 1-1: Product: syz
[  468.049053][ T6757] usb 1-1: Manufacturer: syz
[  468.053639][ T6757] usb 1-1: SerialNumber: syz
[  468.059894][ T6757] usb 1-1: config 0 descriptor??
[  468.067071][ T6757] quatech2 1-1:0.51: Quatech 2nd gen USB to Serial Driver converter detected
[  468.268598][ T6757] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB0
[  468.279889][ T6757] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB1
[  468.467662][    C1] quatech-serial ttyUSB0: qt2_process_read_urb - port change to invalid port: 2
executing program
[  468.668222][    C1] usb 1-1: qt2_read_bulk_callback - non-zero urb status: -71
[  468.672130][  T118] usb 1-1: USB disconnect, device number 94
[  468.689273][  T118] quatech-serial ttyUSB0: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB0
[  468.703290][  T118] quatech-serial ttyUSB1: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB1
[  468.716223][  T118] quatech2 1-1:0.51: device disconnected
[  469.014674][  T118] usb 1-1: new high-speed USB device number 95 using dummy_hcd
[  469.174310][  T118] usb 1-1: Using ep0 maxpacket: 32
[  469.180873][  T118] usb 1-1: config 0 has an invalid interface number: 51 but max is 0
[  469.189047][  T118] usb 1-1: config 0 has no interface number 0
[  469.197100][  T118] usb 1-1: New USB device found, idVendor=061d, idProduct=c150, bcdDevice=ce.6f
[  469.206268][  T118] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  469.214352][  T118] usb 1-1: Product: syz
[  469.218522][  T118] usb 1-1: Manufacturer: syz
[  469.223121][  T118] usb 1-1: SerialNumber: syz
[  469.229291][  T118] usb 1-1: config 0 descriptor??
[  469.236039][  T118] quatech2 1-1:0.51: Quatech 2nd gen USB to Serial Driver converter detected
[  469.437768][  T118] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB0
[  469.449012][  T118] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB1
[  469.636872][    C0] quatech-serial ttyUSB0: qt2_process_read_urb - port change to invalid port: 2
executing program
[  469.837423][    C0] usb 1-1: qt2_read_bulk_callback - non-zero urb status: -71
[  469.838909][ T6757] usb 1-1: USB disconnect, device number 95
[  469.855590][ T6757] quatech-serial ttyUSB0: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB0
[  469.869819][ T6757] quatech-serial ttyUSB1: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB1
[  469.881537][ T6757] quatech2 1-1:0.51: device disconnected
[  470.184325][ T6757] usb 1-1: new high-speed USB device number 96 using dummy_hcd
[  470.334387][ T6757] usb 1-1: Using ep0 maxpacket: 32
[  470.341034][ T6757] usb 1-1: config 0 has an invalid interface number: 51 but max is 0
[  470.349347][ T6757] usb 1-1: config 0 has no interface number 0
[  470.357769][ T6757] usb 1-1: New USB device found, idVendor=061d, idProduct=c150, bcdDevice=ce.6f
[  470.366918][ T6757] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  470.375060][ T6757] usb 1-1: Product: syz
[  470.379244][ T6757] usb 1-1: Manufacturer: syz
[  470.383838][ T6757] usb 1-1: SerialNumber: syz
[  470.390769][ T6757] usb 1-1: config 0 descriptor??
[  470.398038][ T6757] quatech2 1-1:0.51: Quatech 2nd gen USB to Serial Driver converter detected
[  470.599378][ T6757] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB0
[  470.610597][ T6757] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB1
[  470.798147][    C1] quatech-serial ttyUSB0: qt2_process_read_urb - port change to invalid port: 2
executing program
[  470.998598][    C1] usb 1-1: qt2_read_bulk_callback - non-zero urb status: -71
[  471.001834][  T118] usb 1-1: USB disconnect, device number 96
[  471.018800][  T118] quatech-serial ttyUSB0: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB0
[  471.033100][  T118] quatech-serial ttyUSB1: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB1
[  471.044981][  T118] quatech2 1-1:0.51: device disconnected
[  471.374342][  T118] usb 1-1: new high-speed USB device number 97 using dummy_hcd
[  471.524402][  T118] usb 1-1: Using ep0 maxpacket: 32
[  471.531564][  T118] usb 1-1: config 0 has an invalid interface number: 51 but max is 0
[  471.539993][  T118] usb 1-1: config 0 has no interface number 0
[  471.548061][  T118] usb 1-1: New USB device found, idVendor=061d, idProduct=c150, bcdDevice=ce.6f
[  471.557189][  T118] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  471.565304][  T118] usb 1-1: Product: syz
[  471.569481][  T118] usb 1-1: Manufacturer: syz
[  471.574065][  T118] usb 1-1: SerialNumber: syz
[  471.580339][  T118] usb 1-1: config 0 descriptor??
[  471.587059][  T118] quatech2 1-1:0.51: Quatech 2nd gen USB to Serial Driver converter detected
[  471.788529][  T118] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB0
[  471.799778][  T118] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB1
[  471.987629][    C0] quatech-serial ttyUSB0: qt2_process_read_urb - port change to invalid port: 2
executing program
[  472.188149][    C0] usb 1-1: qt2_read_bulk_callback - non-zero urb status: -71
[  472.191869][ T6757] usb 1-1: USB disconnect, device number 97
[  472.207646][ T6757] quatech-serial ttyUSB0: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB0
[  472.221253][ T6757] quatech-serial ttyUSB1: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB1
[  472.233242][ T6757] quatech2 1-1:0.51: device disconnected
[  472.524424][ T6757] usb 1-1: new high-speed USB device number 98 using dummy_hcd
[  472.674340][ T6757] usb 1-1: Using ep0 maxpacket: 32
[  472.681892][ T6757] usb 1-1: config 0 has an invalid interface number: 51 but max is 0
[  472.690077][ T6757] usb 1-1: config 0 has no interface number 0
[  472.698566][ T6757] usb 1-1: New USB device found, idVendor=061d, idProduct=c150, bcdDevice=ce.6f
[  472.707731][ T6757] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  472.715764][ T6757] usb 1-1: Product: syz
[  472.720014][ T6757] usb 1-1: Manufacturer: syz
[  472.724644][ T6757] usb 1-1: SerialNumber: syz
[  472.730780][ T6757] usb 1-1: config 0 descriptor??
[  472.737649][ T6757] quatech2 1-1:0.51: Quatech 2nd gen USB to Serial Driver converter detected
[  472.938913][ T6757] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB0
[  472.950416][ T6757] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB1
[  473.137482][    C1] quatech-serial ttyUSB0: qt2_process_read_urb - port change to invalid port: 2
executing program
[  473.347370][    C1] usb 1-1: qt2_read_bulk_callback - non-zero urb status: -71
[  473.358475][ T6757] usb 1-1: USB disconnect, device number 98
[  473.366820][ T6757] quatech-serial ttyUSB0: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB0
[  473.381078][ T6757] quatech-serial ttyUSB1: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB1
[  473.393147][ T6757] quatech2 1-1:0.51: device disconnected
[  473.684485][ T6757] usb 1-1: new high-speed USB device number 99 using dummy_hcd
[  473.834302][ T6757] usb 1-1: Using ep0 maxpacket: 32
[  473.841228][ T6757] usb 1-1: config 0 has an invalid interface number: 51 but max is 0
[  473.849404][ T6757] usb 1-1: config 0 has no interface number 0
[  473.857371][ T6757] usb 1-1: New USB device found, idVendor=061d, idProduct=c150, bcdDevice=ce.6f
[  473.866730][ T6757] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  473.874799][ T6757] usb 1-1: Product: syz
[  473.878983][ T6757] usb 1-1: Manufacturer: syz
[  473.883602][ T6757] usb 1-1: SerialNumber: syz
[  473.890426][ T6757] usb 1-1: config 0 descriptor??
[  473.897848][ T6757] quatech2 1-1:0.51: Quatech 2nd gen USB to Serial Driver converter detected
[  474.099043][ T6757] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB0
[  474.110476][ T6757] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB1
[  474.297987][    C1] quatech-serial ttyUSB0: qt2_process_read_urb - port change to invalid port: 2
executing program
[  474.498608][    C1] usb 1-1: qt2_read_bulk_callback - non-zero urb status: -71
[  474.501418][  T118] usb 1-1: USB disconnect, device number 99
[  474.519645][  T118] quatech-serial ttyUSB0: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB0
[  474.533716][  T118] quatech-serial ttyUSB1: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB1
[  474.545784][  T118] quatech2 1-1:0.51: device disconnected
[  474.844451][  T118] usb 1-1: new high-speed USB device number 100 using dummy_hcd
[  474.994318][  T118] usb 1-1: Using ep0 maxpacket: 32
[  475.000910][  T118] usb 1-1: config 0 has an invalid interface number: 51 but max is 0
[  475.009156][  T118] usb 1-1: config 0 has no interface number 0
[  475.017543][  T118] usb 1-1: New USB device found, idVendor=061d, idProduct=c150, bcdDevice=ce.6f
[  475.026754][  T118] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  475.034868][  T118] usb 1-1: Product: syz
[  475.039148][  T118] usb 1-1: Manufacturer: syz
[  475.043819][  T118] usb 1-1: SerialNumber: syz
[  475.050135][  T118] usb 1-1: config 0 descriptor??
[  475.057149][  T118] quatech2 1-1:0.51: Quatech 2nd gen USB to Serial Driver converter detected
[  475.258626][  T118] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB0
[  475.269835][  T118] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB1
[  475.457512][    C0] quatech-serial ttyUSB0: qt2_process_read_urb - port change to invalid port: 2
executing program
[  475.658131][    C0] usb 1-1: qt2_read_bulk_callback - non-zero urb status: -71
[  475.668800][ T7169] usb 1-1: USB disconnect, device number 100
[  475.687892][ T7169] quatech-serial ttyUSB0: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB0
[  475.720895][ T7169] quatech-serial ttyUSB1: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB1
[  475.737977][ T7169] quatech2 1-1:0.51: device disconnected
[  476.054396][ T7169] usb 1-1: new high-speed USB device number 101 using dummy_hcd
[  476.204358][ T7169] usb 1-1: Using ep0 maxpacket: 32
[  476.211015][ T7169] usb 1-1: config 0 has an invalid interface number: 51 but max is 0
[  476.219298][ T7169] usb 1-1: config 0 has no interface number 0
[  476.227193][ T7169] usb 1-1: New USB device found, idVendor=061d, idProduct=c150, bcdDevice=ce.6f
[  476.236326][ T7169] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  476.244381][ T7169] usb 1-1: Product: syz
[  476.248581][ T7169] usb 1-1: Manufacturer: syz
[  476.253202][ T7169] usb 1-1: SerialNumber: syz
[  476.260824][ T7169] usb 1-1: config 0 descriptor??
[  476.270193][ T7169] quatech2 1-1:0.51: Quatech 2nd gen USB to Serial Driver converter detected
[  476.472709][ T7169] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB0
[  476.489769][ T7169] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB1
[  476.670110][    C0] quatech-serial ttyUSB0: qt2_process_read_urb - port change to invalid port: 2
executing program
[  476.870593][    C0] usb 1-1: qt2_read_bulk_callback - non-zero urb status: -71
[  476.871014][ T6757] usb 1-1: USB disconnect, device number 101
[  476.898335][ T6757] quatech-serial ttyUSB0: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB0
[  476.917050][ T6757] quatech-serial ttyUSB1: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB1
[  476.937002][ T6757] quatech2 1-1:0.51: device disconnected
[  477.244325][ T6757] usb 1-1: new high-speed USB device number 102 using dummy_hcd
[  477.394874][ T6757] usb 1-1: Using ep0 maxpacket: 32
[  477.401679][ T6757] usb 1-1: config 0 has an invalid interface number: 51 but max is 0
[  477.412998][ T6757] usb 1-1: config 0 has no interface number 0
[  477.422795][ T6757] usb 1-1: New USB device found, idVendor=061d, idProduct=c150, bcdDevice=ce.6f
[  477.433051][ T6757] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  477.441533][ T6757] usb 1-1: Product: syz
[  477.446156][ T6757] usb 1-1: Manufacturer: syz
[  477.450788][ T6757] usb 1-1: SerialNumber: syz
[  477.465813][ T6757] usb 1-1: config 0 descriptor??
[  477.473633][ T6757] quatech2 1-1:0.51: Quatech 2nd gen USB to Serial Driver converter detected
[  477.675650][ T6757] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB0
[  477.687710][ T6757] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB1
[  477.873198][    C1] quatech-serial ttyUSB0: qt2_process_read_urb - port change to invalid port: 2
executing program
[  478.083999][    C1] usb 1-1: qt2_read_bulk_callback - non-zero urb status: -71
[  478.091972][ T6757] usb 1-1: USB disconnect, device number 102
[  478.100830][ T6757] quatech-serial ttyUSB0: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB0
[  478.116450][ T6757] quatech-serial ttyUSB1: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB1
[  478.129855][ T6757] quatech2 1-1:0.51: device disconnected
[  478.424425][ T6757] usb 1-1: new high-speed USB device number 103 using dummy_hcd
[  478.574339][ T6757] usb 1-1: Using ep0 maxpacket: 32
[  478.580932][ T6757] usb 1-1: config 0 has an invalid interface number: 51 but max is 0
[  478.589122][ T6757] usb 1-1: config 0 has no interface number 0
[  478.597963][ T6757] usb 1-1: New USB device found, idVendor=061d, idProduct=c150, bcdDevice=ce.6f
[  478.607123][ T6757] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  478.615185][ T6757] usb 1-1: Product: syz
[  478.619356][ T6757] usb 1-1: Manufacturer: syz
[  478.623937][ T6757] usb 1-1: SerialNumber: syz
[  478.630079][ T6757] usb 1-1: config 0 descriptor??
[  478.636690][ T6757] quatech2 1-1:0.51: Quatech 2nd gen USB to Serial Driver converter detected
[  478.838008][ T6757] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB0
[  478.849531][ T6757] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB1
[  479.036953][    C1] quatech-serial ttyUSB0: qt2_process_read_urb - port change to invalid port: 2
executing program
[  479.237491][    C1] usb 1-1: qt2_read_bulk_callback - non-zero urb status: -71
[  479.241302][ T7169] usb 1-1: USB disconnect, device number 103
[  479.257485][ T7169] quatech-serial ttyUSB0: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB0
[  479.271349][ T7169] quatech-serial ttyUSB1: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB1
[  479.283421][ T7169] quatech2 1-1:0.51: device disconnected
[  479.584450][ T7169] usb 1-1: new high-speed USB device number 104 using dummy_hcd
[  479.734310][ T7169] usb 1-1: Using ep0 maxpacket: 32
[  479.741556][ T7169] usb 1-1: config 0 has an invalid interface number: 51 but max is 0
[  479.749822][ T7169] usb 1-1: config 0 has no interface number 0
[  479.757900][ T7169] usb 1-1: New USB device found, idVendor=061d, idProduct=c150, bcdDevice=ce.6f
[  479.767068][ T7169] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  479.775800][ T7169] usb 1-1: Product: syz
[  479.779978][ T7169] usb 1-1: Manufacturer: syz
[  479.784713][ T7169] usb 1-1: SerialNumber: syz
[  479.790654][ T7169] usb 1-1: config 0 descriptor??
[  479.797476][ T7169] quatech2 1-1:0.51: Quatech 2nd gen USB to Serial Driver converter detected
[  479.999107][ T7169] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB0
[  480.010428][ T7169] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB1
[  480.197710][    C0] quatech-serial ttyUSB0: qt2_process_read_urb - port change to invalid port: 2
executing program
[  480.398318][    C0] usb 1-1: qt2_read_bulk_callback - non-zero urb status: -71
[  480.398586][ T6757] usb 1-1: USB disconnect, device number 104
[  480.415325][ T6757] quatech-serial ttyUSB0: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB0
[  480.429824][ T6757] quatech-serial ttyUSB1: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB1
[  480.443170][ T6757] quatech2 1-1:0.51: device disconnected
[  480.744314][ T6757] usb 1-1: new high-speed USB device number 105 using dummy_hcd
[  480.894356][ T6757] usb 1-1: Using ep0 maxpacket: 32
[  480.901250][ T6757] usb 1-1: config 0 has an invalid interface number: 51 but max is 0
[  480.909477][ T6757] usb 1-1: config 0 has no interface number 0
[  480.917536][ T6757] usb 1-1: New USB device found, idVendor=061d, idProduct=c150, bcdDevice=ce.6f
[  480.926746][ T6757] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  480.934832][ T6757] usb 1-1: Product: syz
[  480.939005][ T6757] usb 1-1: Manufacturer: syz
[  480.943629][ T6757] usb 1-1: SerialNumber: syz
[  480.950523][ T6757] usb 1-1: config 0 descriptor??
[  480.957479][ T6757] quatech2 1-1:0.51: Quatech 2nd gen USB to Serial Driver converter detected
[  481.158675][ T6757] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB0
[  481.169957][ T6757] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB1
[  481.357754][    C1] quatech-serial ttyUSB0: qt2_process_read_urb - port change to invalid port: 2
executing program
[  481.558316][    C1] usb 1-1: qt2_read_bulk_callback - non-zero urb status: -71
[  481.562305][ T7169] usb 1-1: USB disconnect, device number 105
[  481.575512][ T7169] quatech-serial ttyUSB0: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB0
[  481.589695][ T7169] quatech-serial ttyUSB1: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB1
[  481.601754][ T7169] quatech2 1-1:0.51: device disconnected
[  481.894345][ T7169] usb 1-1: new high-speed USB device number 106 using dummy_hcd
[  482.044305][ T7169] usb 1-1: Using ep0 maxpacket: 32
[  482.050878][ T7169] usb 1-1: config 0 has an invalid interface number: 51 but max is 0
[  482.059176][ T7169] usb 1-1: config 0 has no interface number 0
[  482.067153][ T7169] usb 1-1: New USB device found, idVendor=061d, idProduct=c150, bcdDevice=ce.6f
[  482.076282][ T7169] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  482.084330][ T7169] usb 1-1: Product: syz
[  482.088480][ T7169] usb 1-1: Manufacturer: syz
[  482.093061][ T7169] usb 1-1: SerialNumber: syz
[  482.099402][ T7169] usb 1-1: config 0 descriptor??
[  482.107443][ T7169] quatech2 1-1:0.51: Quatech 2nd gen USB to Serial Driver converter detected
[  482.308911][ T7169] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB0
[  482.320091][ T7169] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB1
[  482.507767][    C0] quatech-serial ttyUSB0: qt2_process_read_urb - port change to invalid port: 2
executing program
[  482.708236][    C0] usb 1-1: qt2_read_bulk_callback - non-zero urb status: -71
[  482.712797][ T6757] usb 1-1: USB disconnect, device number 106
[  482.725159][ T6757] quatech-serial ttyUSB0: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB0
[  482.738876][ T6757] quatech-serial ttyUSB1: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB1
[  482.751178][ T6757] quatech2 1-1:0.51: device disconnected
[  483.054425][ T6757] usb 1-1: new high-speed USB device number 107 using dummy_hcd
[  483.204359][ T6757] usb 1-1: Using ep0 maxpacket: 32
[  483.211316][ T6757] usb 1-1: config 0 has an invalid interface number: 51 but max is 0
[  483.219509][ T6757] usb 1-1: config 0 has no interface number 0
[  483.227825][ T6757] usb 1-1: New USB device found, idVendor=061d, idProduct=c150, bcdDevice=ce.6f
[  483.236979][ T6757] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  483.245040][ T6757] usb 1-1: Product: syz
[  483.249259][ T6757] usb 1-1: Manufacturer: syz
[  483.253859][ T6757] usb 1-1: SerialNumber: syz
[  483.260170][ T6757] usb 1-1: config 0 descriptor??
[  483.269277][ T6757] quatech2 1-1:0.51: Quatech 2nd gen USB to Serial Driver converter detected
[  483.471256][ T6757] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB0
[  483.482502][ T6757] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB1
[  483.670126][    C1] quatech-serial ttyUSB0: qt2_process_read_urb - port change to invalid port: 2
executing program
[  483.870663][    C1] usb 1-1: qt2_read_bulk_callback - non-zero urb status: -71
[  483.873522][ T7169] usb 1-1: USB disconnect, device number 107
[  483.889680][ T7169] quatech-serial ttyUSB0: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB0
[  483.903922][ T7169] quatech-serial ttyUSB1: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB1
[  483.915693][ T7169] quatech2 1-1:0.51: device disconnected
[  484.214380][ T7169] usb 1-1: new high-speed USB device number 108 using dummy_hcd
[  484.364443][ T7169] usb 1-1: Using ep0 maxpacket: 32
[  484.371062][ T7169] usb 1-1: config 0 has an invalid interface number: 51 but max is 0
[  484.379272][ T7169] usb 1-1: config 0 has no interface number 0
[  484.387182][ T7169] usb 1-1: New USB device found, idVendor=061d, idProduct=c150, bcdDevice=ce.6f
[  484.396428][ T7169] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  484.404529][ T7169] usb 1-1: Product: syz
[  484.408676][ T7169] usb 1-1: Manufacturer: syz
[  484.413255][ T7169] usb 1-1: SerialNumber: syz
[  484.419462][ T7169] usb 1-1: config 0 descriptor??
[  484.426955][ T7169] quatech2 1-1:0.51: Quatech 2nd gen USB to Serial Driver converter detected
[  484.628820][ T7169] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB0
[  484.640100][ T7169] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB1
[  484.828103][    C0] quatech-serial ttyUSB0: qt2_process_read_urb - port change to invalid port: 2
executing program
[  485.028784][    C0] usb 1-1: qt2_read_bulk_callback - non-zero urb status: -71
[  485.031595][ T6757] usb 1-1: USB disconnect, device number 108
[  485.049525][ T6757] quatech-serial ttyUSB0: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB0
[  485.063754][ T6757] quatech-serial ttyUSB1: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB1
[  485.075716][ T6757] quatech2 1-1:0.51: device disconnected
[  485.364388][ T6757] usb 1-1: new high-speed USB device number 109 using dummy_hcd
[  485.524382][ T6757] usb 1-1: Using ep0 maxpacket: 32
[  485.532058][ T6757] usb 1-1: config 0 has an invalid interface number: 51 but max is 0
[  485.540573][ T6757] usb 1-1: config 0 has no interface number 0
[  485.548547][ T6757] usb 1-1: New USB device found, idVendor=061d, idProduct=c150, bcdDevice=ce.6f
[  485.557701][ T6757] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  485.565915][ T6757] usb 1-1: Product: syz
[  485.570301][ T6757] usb 1-1: Manufacturer: syz
[  485.574981][ T6757] usb 1-1: SerialNumber: syz
[  485.580985][ T6757] usb 1-1: config 0 descriptor??
[  485.587813][ T6757] quatech2 1-1:0.51: Quatech 2nd gen USB to Serial Driver converter detected
[  485.789183][ T6757] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB0
[  485.800414][ T6757] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB1
[  485.989227][    C1] quatech-serial ttyUSB0: qt2_process_read_urb - port change to invalid port: 2
executing program
[  486.199264][    C1] usb 1-1: qt2_read_bulk_callback - non-zero urb status: -71
[  486.208992][ T6757] usb 1-1: USB disconnect, device number 109
[  486.216967][ T6757] quatech-serial ttyUSB0: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB0
[  486.231157][ T6757] quatech-serial ttyUSB1: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB1
[  486.243005][ T6757] quatech2 1-1:0.51: device disconnected
[  486.534387][ T6757] usb 1-1: new high-speed USB device number 110 using dummy_hcd
[  486.684363][ T6757] usb 1-1: Using ep0 maxpacket: 32
[  486.691147][ T6757] usb 1-1: config 0 has an invalid interface number: 51 but max is 0
[  486.699473][ T6757] usb 1-1: config 0 has no interface number 0
[  486.707436][ T6757] usb 1-1: New USB device found, idVendor=061d, idProduct=c150, bcdDevice=ce.6f
[  486.716565][ T6757] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  486.724606][ T6757] usb 1-1: Product: syz
[  486.728759][ T6757] usb 1-1: Manufacturer: syz
[  486.733334][ T6757] usb 1-1: SerialNumber: syz
[  486.740736][ T6757] usb 1-1: config 0 descriptor??
[  486.747831][ T6757] quatech2 1-1:0.51: Quatech 2nd gen USB to Serial Driver converter detected
[  486.949021][ T6757] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB0
[  486.960281][ T6757] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB1
[  487.148697][    C1] quatech-serial ttyUSB0: qt2_process_read_urb - port change to invalid port: 2
executing program
[  487.349175][    C1] usb 1-1: qt2_read_bulk_callback - non-zero urb status: -71
[  487.349538][ T7169] usb 1-1: USB disconnect, device number 110
[  487.367976][ T7169] quatech-serial ttyUSB0: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB0
[  487.383022][ T7169] quatech-serial ttyUSB1: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB1
[  487.395292][ T7169] quatech2 1-1:0.51: device disconnected
[  487.694367][ T7169] usb 1-1: new high-speed USB device number 111 using dummy_hcd
[  487.854352][ T7169] usb 1-1: Using ep0 maxpacket: 32
[  487.860997][ T7169] usb 1-1: config 0 has an invalid interface number: 51 but max is 0
[  487.869205][ T7169] usb 1-1: config 0 has no interface number 0
[  487.877406][ T7169] usb 1-1: New USB device found, idVendor=061d, idProduct=c150, bcdDevice=ce.6f
[  487.886637][ T7169] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  487.894693][ T7169] usb 1-1: Product: syz
[  487.898932][ T7169] usb 1-1: Manufacturer: syz
[  487.903602][ T7169] usb 1-1: SerialNumber: syz
[  487.909856][ T7169] usb 1-1: config 0 descriptor??
[  487.916655][ T7169] quatech2 1-1:0.51: Quatech 2nd gen USB to Serial Driver converter detected
[  488.117930][ T7169] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB0
[  488.129261][ T7169] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB1
[  488.316829][    C0] quatech-serial ttyUSB0: qt2_process_read_urb - port change to invalid port: 2
executing program
[  488.517452][    C0] usb 1-1: qt2_read_bulk_callback - non-zero urb status: -71
[  488.520219][ T6757] usb 1-1: USB disconnect, device number 111
[  488.537353][ T6757] quatech-serial ttyUSB0: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB0
[  488.551159][ T6757] quatech-serial ttyUSB1: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB1
[  488.563036][ T6757] quatech2 1-1:0.51: device disconnected
[  488.864313][ T6757] usb 1-1: new high-speed USB device number 112 using dummy_hcd
[  489.014298][ T6757] usb 1-1: Using ep0 maxpacket: 32
[  489.021503][ T6757] usb 1-1: config 0 has an invalid interface number: 51 but max is 0
[  489.029683][ T6757] usb 1-1: config 0 has no interface number 0
[  489.037842][ T6757] usb 1-1: New USB device found, idVendor=061d, idProduct=c150, bcdDevice=ce.6f
[  489.047050][ T6757] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  489.055144][ T6757] usb 1-1: Product: syz
[  489.059321][ T6757] usb 1-1: Manufacturer: syz
[  489.063900][ T6757] usb 1-1: SerialNumber: syz
[  489.070232][ T6757] usb 1-1: config 0 descriptor??
[  489.077003][ T6757] quatech2 1-1:0.51: Quatech 2nd gen USB to Serial Driver converter detected
[  489.278304][ T6757] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB0
[  489.289569][ T6757] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB1
[  489.477184][    C1] quatech-serial ttyUSB0: qt2_process_read_urb - port change to invalid port: 2
executing program
[  489.677662][    C1] usb 1-1: qt2_read_bulk_callback - non-zero urb status: -71
[  489.680794][ T7169] usb 1-1: USB disconnect, device number 112
[  489.698483][ T7169] quatech-serial ttyUSB0: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB0
[  489.712154][ T7169] quatech-serial ttyUSB1: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB1
[  489.724889][ T7169] quatech2 1-1:0.51: device disconnected
[  490.034407][ T7169] usb 1-1: new high-speed USB device number 113 using dummy_hcd
[  490.184350][ T7169] usb 1-1: Using ep0 maxpacket: 32
[  490.190951][ T7169] usb 1-1: config 0 has an invalid interface number: 51 but max is 0
[  490.199114][ T7169] usb 1-1: config 0 has no interface number 0
[  490.207120][ T7169] usb 1-1: New USB device found, idVendor=061d, idProduct=c150, bcdDevice=ce.6f
[  490.216245][ T7169] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  490.224292][ T7169] usb 1-1: Product: syz
[  490.228444][ T7169] usb 1-1: Manufacturer: syz
[  490.233023][ T7169] usb 1-1: SerialNumber: syz
[  490.239334][ T7169] usb 1-1: config 0 descriptor??
[  490.246028][ T7169] quatech2 1-1:0.51: Quatech 2nd gen USB to Serial Driver converter detected
[  490.447217][ T7169] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB0
[  490.458884][ T7169] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB1
[  490.646599][    C0] quatech-serial ttyUSB0: qt2_process_read_urb - port change to invalid port: 2
executing program
[  490.847043][    C0] usb 1-1: qt2_read_bulk_callback - non-zero urb status: -71
[  490.849798][ T6757] usb 1-1: USB disconnect, device number 113
[  490.867853][ T6757] quatech-serial ttyUSB0: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB0
[  490.881868][ T6757] quatech-serial ttyUSB1: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB1
[  490.893939][ T6757] quatech2 1-1:0.51: device disconnected
[  491.184357][ T6757] usb 1-1: new high-speed USB device number 114 using dummy_hcd
[  491.344319][ T6757] usb 1-1: Using ep0 maxpacket: 32
[  491.351200][ T6757] usb 1-1: config 0 has an invalid interface number: 51 but max is 0
[  491.359441][ T6757] usb 1-1: config 0 has no interface number 0
[  491.367797][ T6757] usb 1-1: New USB device found, idVendor=061d, idProduct=c150, bcdDevice=ce.6f
[  491.377003][ T6757] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  491.385064][ T6757] usb 1-1: Product: syz
[  491.389254][ T6757] usb 1-1: Manufacturer: syz
[  491.393897][ T6757] usb 1-1: SerialNumber: syz
[  491.400495][ T6757] usb 1-1: config 0 descriptor??
[  491.407637][ T6757] quatech2 1-1:0.51: Quatech 2nd gen USB to Serial Driver converter detected
[  491.608929][ T6757] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB0
[  491.620531][ T6757] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB1
[  491.808491][    C1] quatech-serial ttyUSB0: qt2_process_read_urb - port change to invalid port: 2
executing program
[  492.009174][    C1] usb 1-1: qt2_read_bulk_callback - non-zero urb status: -71
[  492.012887][ T7169] usb 1-1: USB disconnect, device number 114
[  492.029037][ T7169] quatech-serial ttyUSB0: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB0
[  492.043070][ T7169] quatech-serial ttyUSB1: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB1
[  492.055209][ T7169] quatech2 1-1:0.51: device disconnected
[  492.354452][ T7169] usb 1-1: new high-speed USB device number 115 using dummy_hcd
[  492.504270][ T7169] usb 1-1: Using ep0 maxpacket: 32
[  492.510853][ T7169] usb 1-1: config 0 has an invalid interface number: 51 but max is 0
[  492.519001][ T7169] usb 1-1: config 0 has no interface number 0
[  492.527038][ T7169] usb 1-1: New USB device found, idVendor=061d, idProduct=c150, bcdDevice=ce.6f
[  492.536366][ T7169] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  492.544450][ T7169] usb 1-1: Product: syz
[  492.548633][ T7169] usb 1-1: Manufacturer: syz
[  492.553327][ T7169] usb 1-1: SerialNumber: syz
[  492.559743][ T7169] usb 1-1: config 0 descriptor??
[  492.566694][ T7169] quatech2 1-1:0.51: Quatech 2nd gen USB to Serial Driver converter detected
[  492.768029][ T7169] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB0
[  492.779214][ T7169] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB1
[  492.967807][    C0] quatech-serial ttyUSB0: qt2_process_read_urb - port change to invalid port: 2
executing program
[  493.168395][    C0] usb 1-1: qt2_read_bulk_callback - non-zero urb status: -71
[  493.168722][ T6757] usb 1-1: USB disconnect, device number 115
[  493.185134][ T6757] quatech-serial ttyUSB0: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB0
[  493.200220][ T6757] quatech-serial ttyUSB1: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB1
[  493.212043][ T6757] quatech2 1-1:0.51: device disconnected
[  493.504394][ T6757] usb 1-1: new high-speed USB device number 116 using dummy_hcd
[  493.654270][ T6757] usb 1-1: Using ep0 maxpacket: 32
[  493.660750][ T6757] usb 1-1: config 0 has an invalid interface number: 51 but max is 0
[  493.668976][ T6757] usb 1-1: config 0 has no interface number 0
[  493.677198][ T6757] usb 1-1: New USB device found, idVendor=061d, idProduct=c150, bcdDevice=ce.6f
[  493.686377][ T6757] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  493.694417][ T6757] usb 1-1: Product: syz
[  493.698590][ T6757] usb 1-1: Manufacturer: syz
[  493.703172][ T6757] usb 1-1: SerialNumber: syz
[  493.709489][ T6757] usb 1-1: config 0 descriptor??
[  493.716354][ T6757] quatech2 1-1:0.51: Quatech 2nd gen USB to Serial Driver converter detected
[  493.917694][ T6757] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB0
[  493.928912][ T6757] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB1
[  494.117320][    C1] quatech-serial ttyUSB0: qt2_process_read_urb - port change to invalid port: 2
executing program
[  494.317945][    C1] usb 1-1: qt2_read_bulk_callback - non-zero urb status: -71
[  494.320653][ T7169] usb 1-1: USB disconnect, device number 116
[  494.339078][ T7169] quatech-serial ttyUSB0: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB0
[  494.353316][ T7169] quatech-serial ttyUSB1: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB1
[  494.365263][ T7169] quatech2 1-1:0.51: device disconnected
[  494.674397][ T7169] usb 1-1: new high-speed USB device number 117 using dummy_hcd
[  494.824352][ T7169] usb 1-1: Using ep0 maxpacket: 32
[  494.831417][ T7169] usb 1-1: config 0 has an invalid interface number: 51 but max is 0
[  494.839701][ T7169] usb 1-1: config 0 has no interface number 0
[  494.847959][ T7169] usb 1-1: New USB device found, idVendor=061d, idProduct=c150, bcdDevice=ce.6f
[  494.857132][ T7169] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  494.865181][ T7169] usb 1-1: Product: syz
[  494.869372][ T7169] usb 1-1: Manufacturer: syz
[  494.874126][ T7169] usb 1-1: SerialNumber: syz
[  494.880235][ T7169] usb 1-1: config 0 descriptor??
[  494.887055][ T7169] quatech2 1-1:0.51: Quatech 2nd gen USB to Serial Driver converter detected
[  495.088379][ T7169] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB0
[  495.100243][ T7169] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB1
[  495.287277][    C0] quatech-serial ttyUSB0: qt2_process_read_urb - port change to invalid port: 2
executing program
[  495.487906][    C0] usb 1-1: qt2_read_bulk_callback - non-zero urb status: -71
[  495.490510][ T6757] usb 1-1: USB disconnect, device number 117
[  495.505842][ T6757] quatech-serial ttyUSB0: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB0
[  495.519684][ T6757] quatech-serial ttyUSB1: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB1
[  495.531755][ T6757] quatech2 1-1:0.51: device disconnected
[  495.834380][ T6757] usb 1-1: new high-speed USB device number 118 using dummy_hcd
[  495.984404][ T6757] usb 1-1: Using ep0 maxpacket: 32
[  495.991178][ T6757] usb 1-1: config 0 has an invalid interface number: 51 but max is 0
[  495.999432][ T6757] usb 1-1: config 0 has no interface number 0
[  496.007396][ T6757] usb 1-1: New USB device found, idVendor=061d, idProduct=c150, bcdDevice=ce.6f
[  496.016717][ T6757] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  496.024829][ T6757] usb 1-1: Product: syz
[  496.029100][ T6757] usb 1-1: Manufacturer: syz
[  496.033704][ T6757] usb 1-1: SerialNumber: syz
[  496.040284][ T6757] usb 1-1: config 0 descriptor??
[  496.047642][ T6757] quatech2 1-1:0.51: Quatech 2nd gen USB to Serial Driver converter detected
[  496.248837][ T6757] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB0
[  496.260127][ T6757] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB1
[  496.447793][    C1] quatech-serial ttyUSB0: qt2_process_read_urb - port change to invalid port: 2
executing program
[  496.648379][    C1] usb 1-1: qt2_read_bulk_callback - non-zero urb status: -71
[  496.654572][ T7169] usb 1-1: USB disconnect, device number 118
[  496.667519][ T7169] quatech-serial ttyUSB0: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB0
[  496.681402][ T7169] quatech-serial ttyUSB1: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB1
[  496.695651][ T7169] quatech2 1-1:0.51: device disconnected
[  497.004382][ T7169] usb 1-1: new high-speed USB device number 119 using dummy_hcd
[  497.164355][ T7169] usb 1-1: Using ep0 maxpacket: 32
[  497.170986][ T7169] usb 1-1: config 0 has an invalid interface number: 51 but max is 0
[  497.179239][ T7169] usb 1-1: config 0 has no interface number 0
[  497.187286][ T7169] usb 1-1: New USB device found, idVendor=061d, idProduct=c150, bcdDevice=ce.6f
[  497.196409][ T7169] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  497.204532][ T7169] usb 1-1: Product: syz
[  497.208679][ T7169] usb 1-1: Manufacturer: syz
[  497.213258][ T7169] usb 1-1: SerialNumber: syz
[  497.220325][ T7169] usb 1-1: config 0 descriptor??
[  497.226980][ T7169] quatech2 1-1:0.51: Quatech 2nd gen USB to Serial Driver converter detected
[  497.428264][ T7169] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB0
[  497.439463][ T7169] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB1
[  497.627129][    C0] quatech-serial ttyUSB0: qt2_process_read_urb - port change to invalid port: 2
executing program
[  497.827687][    C0] usb 1-1: qt2_read_bulk_callback - non-zero urb status: -71
[  497.830412][ T6757] usb 1-1: USB disconnect, device number 119
[  497.843413][ T6757] quatech-serial ttyUSB0: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB0
[  497.858012][ T6757] quatech-serial ttyUSB1: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB1
[  497.870490][ T6757] quatech2 1-1:0.51: device disconnected
[  498.164441][ T6757] usb 1-1: new high-speed USB device number 120 using dummy_hcd
[  498.314348][ T6757] usb 1-1: Using ep0 maxpacket: 32
[  498.321005][ T6757] usb 1-1: config 0 has an invalid interface number: 51 but max is 0
[  498.329299][ T6757] usb 1-1: config 0 has no interface number 0
[  498.337288][ T6757] usb 1-1: New USB device found, idVendor=061d, idProduct=c150, bcdDevice=ce.6f
[  498.346416][ T6757] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  498.354552][ T6757] usb 1-1: Product: syz
[  498.358801][ T6757] usb 1-1: Manufacturer: syz
[  498.363411][ T6757] usb 1-1: SerialNumber: syz
[  498.369666][ T6757] usb 1-1: config 0 descriptor??
[  498.376613][ T6757] quatech2 1-1:0.51: Quatech 2nd gen USB to Serial Driver converter detected
[  498.577760][ T6757] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB0
[  498.588906][ T6757] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB1
[  498.776799][    C1] quatech-serial ttyUSB0: qt2_process_read_urb - port change to invalid port: 2
executing program
[  498.977382][    C1] usb 1-1: qt2_read_bulk_callback - non-zero urb status: -71
[  498.977726][ T7169] usb 1-1: USB disconnect, device number 120
[  498.993941][ T7169] quatech-serial ttyUSB0: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB0
[  499.009803][ T7169] quatech-serial ttyUSB1: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB1
[  499.022051][ T7169] quatech2 1-1:0.51: device disconnected
[  499.324312][ T7169] usb 1-1: new high-speed USB device number 121 using dummy_hcd
[  499.474372][ T7169] usb 1-1: Using ep0 maxpacket: 32
[  499.480976][ T7169] usb 1-1: config 0 has an invalid interface number: 51 but max is 0
[  499.489155][ T7169] usb 1-1: config 0 has no interface number 0
[  499.497070][ T7169] usb 1-1: New USB device found, idVendor=061d, idProduct=c150, bcdDevice=ce.6f
[  499.506186][ T7169] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  499.514265][ T7169] usb 1-1: Product: syz
[  499.518457][ T7169] usb 1-1: Manufacturer: syz
[  499.523053][ T7169] usb 1-1: SerialNumber: syz
[  499.529008][ T7169] usb 1-1: config 0 descriptor??
[  499.536537][ T7169] quatech2 1-1:0.51: Quatech 2nd gen USB to Serial Driver converter detected
[  499.738137][ T7169] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB0
[  499.750530][ T7169] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB1
[  499.937133][    C0] quatech-serial ttyUSB0: qt2_process_read_urb - port change to invalid port: 2
executing program
[  500.137762][    C0] usb 1-1: qt2_read_bulk_callback - non-zero urb status: -71
[  500.140352][ T6757] usb 1-1: USB disconnect, device number 121
[  500.157111][ T6757] quatech-serial ttyUSB0: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB0
[  500.170802][ T6757] quatech-serial ttyUSB1: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB1
[  500.182722][ T6757] quatech2 1-1:0.51: device disconnected
[  500.474425][ T6757] usb 1-1: new high-speed USB device number 122 using dummy_hcd
[  500.624306][ T6757] usb 1-1: Using ep0 maxpacket: 32
[  500.630947][ T6757] usb 1-1: config 0 has an invalid interface number: 51 but max is 0
[  500.639137][ T6757] usb 1-1: config 0 has no interface number 0
[  500.647387][ T6757] usb 1-1: New USB device found, idVendor=061d, idProduct=c150, bcdDevice=ce.6f
[  500.656518][ T6757] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  500.664570][ T6757] usb 1-1: Product: syz
[  500.668730][ T6757] usb 1-1: Manufacturer: syz
[  500.673397][ T6757] usb 1-1: SerialNumber: syz
[  500.680071][ T6757] usb 1-1: config 0 descriptor??
[  500.686789][ T6757] quatech2 1-1:0.51: Quatech 2nd gen USB to Serial Driver converter detected
[  500.888379][ T6757] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB0
[  500.899877][ T6757] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB1
[  501.087273][    C1] quatech-serial ttyUSB0: qt2_process_read_urb - port change to invalid port: 2
executing program
[  501.287806][    C1] usb 1-1: qt2_read_bulk_callback - non-zero urb status: -71
[  501.289556][ T7169] usb 1-1: USB disconnect, device number 122
[  501.306331][ T7169] quatech-serial ttyUSB0: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB0
[  501.319954][ T7169] quatech-serial ttyUSB1: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB1
[  501.332382][ T7169] quatech2 1-1:0.51: device disconnected
[  501.634327][ T7169] usb 1-1: new high-speed USB device number 123 using dummy_hcd
[  501.784349][ T7169] usb 1-1: Using ep0 maxpacket: 32
[  501.791451][ T7169] usb 1-1: config 0 has an invalid interface number: 51 but max is 0
[  501.799629][ T7169] usb 1-1: config 0 has no interface number 0
[  501.807233][ T1294] ieee802154 phy0 wpan0: encryption failed: -22
[  501.809286][ T7169] usb 1-1: New USB device found, idVendor=061d, idProduct=c150, bcdDevice=ce.6f
[  501.813635][ T1294] ieee802154 phy1 wpan1: encryption failed: -22
[  501.822623][ T7169] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  501.837019][ T7169] usb 1-1: Product: syz
[  501.841180][ T7169] usb 1-1: Manufacturer: syz
[  501.845818][ T7169] usb 1-1: SerialNumber: syz
[  501.851808][ T7169] usb 1-1: config 0 descriptor??
[  501.858540][ T7169] quatech2 1-1:0.51: Quatech 2nd gen USB to Serial Driver converter detected
[  502.059968][ T7169] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB0
[  502.071061][ T7169] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB1
[  502.258532][    C0] quatech-serial ttyUSB0: qt2_process_read_urb - port change to invalid port: 2
executing program
[  502.459103][    C0] usb 1-1: qt2_read_bulk_callback - non-zero urb status: -71
[  502.460692][ T6757] usb 1-1: USB disconnect, device number 123
[  502.480272][ T6757] quatech-serial ttyUSB0: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB0
[  502.493754][ T6757] quatech-serial ttyUSB1: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB1
[  502.505520][ T6757] quatech2 1-1:0.51: device disconnected
[  502.794432][ T6757] usb 1-1: new high-speed USB device number 124 using dummy_hcd
[  502.944352][ T6757] usb 1-1: Using ep0 maxpacket: 32
[  502.951127][ T6757] usb 1-1: config 0 has an invalid interface number: 51 but max is 0
[  502.959313][ T6757] usb 1-1: config 0 has no interface number 0
[  502.967500][ T6757] usb 1-1: New USB device found, idVendor=061d, idProduct=c150, bcdDevice=ce.6f
[  502.976641][ T6757] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  502.984731][ T6757] usb 1-1: Product: syz
[  502.988894][ T6757] usb 1-1: Manufacturer: syz
[  502.993469][ T6757] usb 1-1: SerialNumber: syz
[  502.999676][ T6757] usb 1-1: config 0 descriptor??
[  503.006486][ T6757] quatech2 1-1:0.51: Quatech 2nd gen USB to Serial Driver converter detected
[  503.207919][ T6757] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB0
[  503.219455][ T6757] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB1
[  503.406721][    C1] quatech-serial ttyUSB0: qt2_process_read_urb - port change to invalid port: 2
executing program
[  503.607216][    C1] usb 1-1: qt2_read_bulk_callback - non-zero urb status: -71
[  503.609958][ T7169] usb 1-1: USB disconnect, device number 124
[  503.627121][ T7169] quatech-serial ttyUSB0: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB0
[  503.640847][ T7169] quatech-serial ttyUSB1: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB1
[  503.652841][ T7169] quatech2 1-1:0.51: device disconnected
[  503.954396][ T7169] usb 1-1: new high-speed USB device number 125 using dummy_hcd
[  504.104373][ T7169] usb 1-1: Using ep0 maxpacket: 32
[  504.111113][ T7169] usb 1-1: config 0 has an invalid interface number: 51 but max is 0
[  504.119265][ T7169] usb 1-1: config 0 has no interface number 0
[  504.127556][ T7169] usb 1-1: New USB device found, idVendor=061d, idProduct=c150, bcdDevice=ce.6f
[  504.136919][ T7169] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  504.145011][ T7169] usb 1-1: Product: syz
[  504.149180][ T7169] usb 1-1: Manufacturer: syz
[  504.153763][ T7169] usb 1-1: SerialNumber: syz
[  504.160237][ T7169] usb 1-1: config 0 descriptor??
[  504.167214][ T7169] quatech2 1-1:0.51: Quatech 2nd gen USB to Serial Driver converter detected
[  504.368470][ T7169] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB0
[  504.379640][ T7169] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB1
[  504.567309][    C0] quatech-serial ttyUSB0: qt2_process_read_urb - port change to invalid port: 2
executing program
[  504.767784][    C0] usb 1-1: qt2_read_bulk_callback - non-zero urb status: -71
[  504.770503][ T6757] usb 1-1: USB disconnect, device number 125
[  504.785771][ T6757] quatech-serial ttyUSB0: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB0
[  504.799740][ T6757] quatech-serial ttyUSB1: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB1
[  504.811654][ T6757] quatech2 1-1:0.51: device disconnected
[  505.124429][ T6757] usb 1-1: new high-speed USB device number 126 using dummy_hcd
[  505.274359][ T6757] usb 1-1: Using ep0 maxpacket: 32
[  505.281132][ T6757] usb 1-1: config 0 has an invalid interface number: 51 but max is 0
[  505.289301][ T6757] usb 1-1: config 0 has no interface number 0
[  505.298079][ T6757] usb 1-1: New USB device found, idVendor=061d, idProduct=c150, bcdDevice=ce.6f
[  505.307383][ T6757] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  505.315439][ T6757] usb 1-1: Product: syz
[  505.319684][ T6757] usb 1-1: Manufacturer: syz
[  505.324371][ T6757] usb 1-1: SerialNumber: syz
[  505.330382][ T6757] usb 1-1: config 0 descriptor??
[  505.337437][ T6757] quatech2 1-1:0.51: Quatech 2nd gen USB to Serial Driver converter detected
[  505.538876][ T6757] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB0
[  505.550103][ T6757] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB1
[  505.737594][    C1] quatech-serial ttyUSB0: qt2_process_read_urb - port change to invalid port: 2
executing program
[  505.938234][    C1] usb 1-1: qt2_read_bulk_callback - non-zero urb status: -71
[  505.939856][ T7169] usb 1-1: USB disconnect, device number 126
[  505.957062][ T7169] quatech-serial ttyUSB0: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB0
[  505.973164][ T7169] quatech-serial ttyUSB1: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB1
[  505.985251][ T7169] quatech2 1-1:0.51: device disconnected
[  506.284393][ T7169] usb 1-1: new high-speed USB device number 127 using dummy_hcd
[  506.434313][ T7169] usb 1-1: Using ep0 maxpacket: 32
[  506.441200][ T7169] usb 1-1: config 0 has an invalid interface number: 51 but max is 0
[  506.449941][ T7169] usb 1-1: config 0 has no interface number 0
[  506.457929][ T7169] usb 1-1: New USB device found, idVendor=061d, idProduct=c150, bcdDevice=ce.6f
[  506.467539][ T7169] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  506.475760][ T7169] usb 1-1: Product: syz
[  506.479946][ T7169] usb 1-1: Manufacturer: syz
[  506.484997][ T7169] usb 1-1: SerialNumber: syz
[  506.491124][ T7169] usb 1-1: config 0 descriptor??
[  506.497992][ T7169] quatech2 1-1:0.51: Quatech 2nd gen USB to Serial Driver converter detected
[  506.699398][ T7169] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB0
[  506.710607][ T7169] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB1
[  506.898261][    C0] quatech-serial ttyUSB0: qt2_process_read_urb - port change to invalid port: 2
executing program
[  507.098822][    C0] usb 1-1: qt2_read_bulk_callback - non-zero urb status: -71
[  507.106863][ T6757] usb 1-1: USB disconnect, device number 127
[  507.123234][ T6757] quatech-serial ttyUSB0: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB0
[  507.137884][ T6757] quatech-serial ttyUSB1: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB1
[  507.150281][ T6757] quatech2 1-1:0.51: device disconnected
[  507.444466][ T6757] usb 1-1: new high-speed USB device number 2 using dummy_hcd
[  507.594334][ T6757] usb 1-1: Using ep0 maxpacket: 32
[  507.601258][ T6757] usb 1-1: config 0 has an invalid interface number: 51 but max is 0
[  507.609736][ T6757] usb 1-1: config 0 has no interface number 0
[  507.617875][ T6757] usb 1-1: New USB device found, idVendor=061d, idProduct=c150, bcdDevice=ce.6f
[  507.627091][ T6757] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  507.635146][ T6757] usb 1-1: Product: syz
[  507.639318][ T6757] usb 1-1: Manufacturer: syz
[  507.643895][ T6757] usb 1-1: SerialNumber: syz
[  507.650223][ T6757] usb 1-1: config 0 descriptor??
[  507.657174][ T6757] quatech2 1-1:0.51: Quatech 2nd gen USB to Serial Driver converter detected
[  507.859327][ T6757] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB0
[  507.870711][ T6757] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB1
[  508.058887][    C1] quatech-serial ttyUSB0: qt2_process_read_urb - port change to invalid port: 2
executing program
[  508.259540][    C1] usb 1-1: qt2_read_bulk_callback - non-zero urb status: -71
[  508.259799][ T7169] usb 1-1: USB disconnect, device number 2
[  508.276873][ T7169] quatech-serial ttyUSB0: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB0
[  508.291964][ T7169] quatech-serial ttyUSB1: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB1
[  508.303797][ T7169] quatech2 1-1:0.51: device disconnected
[  508.594363][ T7169] usb 1-1: new high-speed USB device number 3 using dummy_hcd
[  508.744386][ T7169] usb 1-1: Using ep0 maxpacket: 32
[  508.750976][ T7169] usb 1-1: config 0 has an invalid interface number: 51 but max is 0
[  508.759232][ T7169] usb 1-1: config 0 has no interface number 0
[  508.767119][ T7169] usb 1-1: New USB device found, idVendor=061d, idProduct=c150, bcdDevice=ce.6f
[  508.776234][ T7169] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  508.784284][ T7169] usb 1-1: Product: syz
[  508.788439][ T7169] usb 1-1: Manufacturer: syz
[  508.793018][ T7169] usb 1-1: SerialNumber: syz
[  508.799373][ T7169] usb 1-1: config 0 descriptor??
[  508.806145][ T7169] quatech2 1-1:0.51: Quatech 2nd gen USB to Serial Driver converter detected
[  509.007248][ T7169] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB0
[  509.019389][ T7169] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB1
[  509.206832][    C0] quatech-serial ttyUSB0: qt2_process_read_urb - port change to invalid port: 2
executing program
[  509.407439][    C0] usb 1-1: qt2_read_bulk_callback - non-zero urb status: -71
[  509.410107][ T6757] usb 1-1: USB disconnect, device number 3
[  509.427737][ T6757] quatech-serial ttyUSB0: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB0
[  509.442837][ T6757] quatech-serial ttyUSB1: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB1
[  509.454655][ T6757] quatech2 1-1:0.51: device disconnected
[  509.754439][ T6757] usb 1-1: new high-speed USB device number 4 using dummy_hcd
[  509.904307][ T6757] usb 1-1: Using ep0 maxpacket: 32
[  509.911184][ T6757] usb 1-1: config 0 has an invalid interface number: 51 but max is 0
[  509.919450][ T6757] usb 1-1: config 0 has no interface number 0
[  509.927319][ T6757] usb 1-1: New USB device found, idVendor=061d, idProduct=c150, bcdDevice=ce.6f
[  509.936922][ T6757] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  509.944973][ T6757] usb 1-1: Product: syz
[  509.949155][ T6757] usb 1-1: Manufacturer: syz
[  509.953766][ T6757] usb 1-1: SerialNumber: syz
[  509.960054][ T6757] usb 1-1: config 0 descriptor??
[  509.966830][ T6757] quatech2 1-1:0.51: Quatech 2nd gen USB to Serial Driver converter detected
[  510.168405][ T6757] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB0
[  510.180027][ T6757] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB1
[  510.367049][    C1] quatech-serial ttyUSB0: qt2_process_read_urb - port change to invalid port: 2
executing program
[  510.567504][    C1] usb 1-1: qt2_read_bulk_callback - non-zero urb status: -71
[  510.567887][ T7169] usb 1-1: USB disconnect, device number 4
[  510.585324][ T7169] quatech-serial ttyUSB0: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB0
[  510.601915][ T7169] quatech-serial ttyUSB1: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB1
[  510.613679][ T7169] quatech2 1-1:0.51: device disconnected
[  510.904394][ T7169] usb 1-1: new high-speed USB device number 5 using dummy_hcd
[  511.064350][ T7169] usb 1-1: Using ep0 maxpacket: 32
[  511.071053][ T7169] usb 1-1: config 0 has an invalid interface number: 51 but max is 0
[  511.079233][ T7169] usb 1-1: config 0 has no interface number 0
[  511.087205][ T7169] usb 1-1: New USB device found, idVendor=061d, idProduct=c150, bcdDevice=ce.6f
[  511.096420][ T7169] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  511.104462][ T7169] usb 1-1: Product: syz
[  511.108656][ T7169] usb 1-1: Manufacturer: syz
[  511.113273][ T7169] usb 1-1: SerialNumber: syz
[  511.119471][ T7169] usb 1-1: config 0 descriptor??
[  511.126108][ T7169] quatech2 1-1:0.51: Quatech 2nd gen USB to Serial Driver converter detected
[  511.327147][ T7169] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB0
[  511.338631][ T7169] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB1
[  511.526157][    C0] quatech-serial ttyUSB0: qt2_process_read_urb - port change to invalid port: 2
executing program
[  511.726767][    C0] usb 1-1: qt2_read_bulk_callback - non-zero urb status: -71
[  511.729589][ T6757] usb 1-1: USB disconnect, device number 5
[  511.744586][ T6757] quatech-serial ttyUSB0: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB0
[  511.758008][ T6757] quatech-serial ttyUSB1: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB1
[  511.769799][ T6757] quatech2 1-1:0.51: device disconnected
[  512.064393][ T6757] usb 1-1: new high-speed USB device number 6 using dummy_hcd
[  512.214309][ T6757] usb 1-1: Using ep0 maxpacket: 32
[  512.221002][ T6757] usb 1-1: config 0 has an invalid interface number: 51 but max is 0
[  512.229276][ T6757] usb 1-1: config 0 has no interface number 0
[  512.238236][ T6757] usb 1-1: New USB device found, idVendor=061d, idProduct=c150, bcdDevice=ce.6f
[  512.247506][ T6757] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  512.255718][ T6757] usb 1-1: Product: syz
[  512.259885][ T6757] usb 1-1: Manufacturer: syz
[  512.264654][ T6757] usb 1-1: SerialNumber: syz
[  512.270427][ T6757] usb 1-1: config 0 descriptor??
[  512.277275][ T6757] quatech2 1-1:0.51: Quatech 2nd gen USB to Serial Driver converter detected
[  512.478408][ T6757] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB0
[  512.489582][ T6757] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB1
[  512.677521][    C1] quatech-serial ttyUSB0: qt2_process_read_urb - port change to invalid port: 2
executing program
[  512.878030][    C1] usb 1-1: qt2_read_bulk_callback - non-zero urb status: -71
[  512.878394][ T7169] usb 1-1: USB disconnect, device number 6
[  512.895533][ T7169] quatech-serial ttyUSB0: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB0
[  512.909660][ T7169] quatech-serial ttyUSB1: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB1
[  512.925171][ T7169] quatech2 1-1:0.51: device disconnected
[  513.224325][ T7169] usb 1-1: new high-speed USB device number 7 using dummy_hcd
[  513.374335][ T7169] usb 1-1: Using ep0 maxpacket: 32
[  513.380859][ T7169] usb 1-1: config 0 has an invalid interface number: 51 but max is 0
[  513.389033][ T7169] usb 1-1: config 0 has no interface number 0
[  513.397016][ T7169] usb 1-1: New USB device found, idVendor=061d, idProduct=c150, bcdDevice=ce.6f
[  513.406150][ T7169] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  513.414236][ T7169] usb 1-1: Product: syz
[  513.418418][ T7169] usb 1-1: Manufacturer: syz
[  513.423016][ T7169] usb 1-1: SerialNumber: syz
[  513.429160][ T7169] usb 1-1: config 0 descriptor??
[  513.436995][ T7169] quatech2 1-1:0.51: Quatech 2nd gen USB to Serial Driver converter detected
[  513.638206][ T7169] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB0
[  513.649388][ T7169] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB1
[  513.837566][    C0] quatech-serial ttyUSB0: qt2_process_read_urb - port change to invalid port: 2
executing program
[  514.038072][    C0] usb 1-1: qt2_read_bulk_callback - non-zero urb status: -71
[  514.041467][ T6757] usb 1-1: USB disconnect, device number 7
[  514.057468][ T6757] quatech-serial ttyUSB0: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB0
[  514.071185][ T6757] quatech-serial ttyUSB1: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB1
[  514.083144][ T6757] quatech2 1-1:0.51: device disconnected
[  514.374319][ T6757] usb 1-1: new high-speed USB device number 8 using dummy_hcd
[  514.524319][ T6757] usb 1-1: Using ep0 maxpacket: 32
[  514.531191][ T6757] usb 1-1: config 0 has an invalid interface number: 51 but max is 0
[  514.539367][ T6757] usb 1-1: config 0 has no interface number 0
[  514.547250][ T6757] usb 1-1: New USB device found, idVendor=061d, idProduct=c150, bcdDevice=ce.6f
[  514.556488][ T6757] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  514.564538][ T6757] usb 1-1: Product: syz
[  514.568722][ T6757] usb 1-1: Manufacturer: syz
[  514.573331][ T6757] usb 1-1: SerialNumber: syz
[  514.579570][ T6757] usb 1-1: config 0 descriptor??
[  514.586294][ T6757] quatech2 1-1:0.51: Quatech 2nd gen USB to Serial Driver converter detected
[  514.787787][ T6757] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB0
[  514.799116][ T6757] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB1
[  514.986781][    C1] quatech-serial ttyUSB0: qt2_process_read_urb - port change to invalid port: 2
executing program
[  515.187408][    C1] usb 1-1: qt2_read_bulk_callback - non-zero urb status: -71
[  515.190146][ T7169] usb 1-1: USB disconnect, device number 8
[  515.209193][ T7169] quatech-serial ttyUSB0: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB0
[  515.223078][ T7169] quatech-serial ttyUSB1: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB1
[  515.239048][ T7169] quatech2 1-1:0.51: device disconnected
[  515.544342][ T7169] usb 1-1: new high-speed USB device number 9 using dummy_hcd
[  515.694310][ T7169] usb 1-1: Using ep0 maxpacket: 32
[  515.700867][ T7169] usb 1-1: config 0 has an invalid interface number: 51 but max is 0
[  515.709080][ T7169] usb 1-1: config 0 has no interface number 0
[  515.717141][ T7169] usb 1-1: New USB device found, idVendor=061d, idProduct=c150, bcdDevice=ce.6f
[  515.726368][ T7169] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  515.734439][ T7169] usb 1-1: Product: syz
[  515.738595][ T7169] usb 1-1: Manufacturer: syz
[  515.743180][ T7169] usb 1-1: SerialNumber: syz
[  515.749446][ T7169] usb 1-1: config 0 descriptor??
[  515.756212][ T7169] quatech2 1-1:0.51: Quatech 2nd gen USB to Serial Driver converter detected
[  515.957566][ T7169] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB0
[  515.969747][ T7169] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB1
[  516.156755][    C0] quatech-serial ttyUSB0: qt2_process_read_urb - port change to invalid port: 2
executing program
[  516.357206][    C0] usb 1-1: qt2_read_bulk_callback - non-zero urb status: -71
[  516.357617][ T6757] usb 1-1: USB disconnect, device number 9
[  516.373603][ T6757] quatech-serial ttyUSB0: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB0
[  516.388441][ T6757] quatech-serial ttyUSB1: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB1
[  516.402962][ T6757] quatech2 1-1:0.51: device disconnected
[  516.704346][ T6757] usb 1-1: new high-speed USB device number 10 using dummy_hcd
[  516.854367][ T6757] usb 1-1: Using ep0 maxpacket: 32
[  516.861119][ T6757] usb 1-1: config 0 has an invalid interface number: 51 but max is 0
[  516.869605][ T6757] usb 1-1: config 0 has no interface number 0
[  516.877496][ T6757] usb 1-1: New USB device found, idVendor=061d, idProduct=c150, bcdDevice=ce.6f
[  516.886663][ T6757] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  516.894772][ T6757] usb 1-1: Product: syz
[  516.899036][ T6757] usb 1-1: Manufacturer: syz
[  516.903652][ T6757] usb 1-1: SerialNumber: syz
[  516.910188][ T6757] usb 1-1: config 0 descriptor??
[  516.916870][ T6757] quatech2 1-1:0.51: Quatech 2nd gen USB to Serial Driver converter detected
[  517.119755][ T6757] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB0
[  517.130941][ T6757] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB1
[  517.318183][    C1] quatech-serial ttyUSB0: qt2_process_read_urb - port change to invalid port: 2
executing program
[  517.518777][    C1] usb 1-1: qt2_read_bulk_callback - non-zero urb status: -71
[  517.521509][ T7169] usb 1-1: USB disconnect, device number 10
[  517.539260][ T7169] quatech-serial ttyUSB0: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB0
[  517.553162][ T7169] quatech-serial ttyUSB1: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB1
[  517.565977][ T7169] quatech2 1-1:0.51: device disconnected
[  517.884478][ T7169] usb 1-1: new high-speed USB device number 11 using dummy_hcd
[  518.034349][ T7169] usb 1-1: Using ep0 maxpacket: 32
[  518.041268][ T7169] usb 1-1: config 0 has an invalid interface number: 51 but max is 0
[  518.049446][ T7169] usb 1-1: config 0 has no interface number 0
[  518.057388][ T7169] usb 1-1: New USB device found, idVendor=061d, idProduct=c150, bcdDevice=ce.6f
[  518.066514][ T7169] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  518.074704][ T7169] usb 1-1: Product: syz
[  518.078867][ T7169] usb 1-1: Manufacturer: syz
[  518.083439][ T7169] usb 1-1: SerialNumber: syz
[  518.089832][ T7169] usb 1-1: config 0 descriptor??
[  518.096547][ T7169] quatech2 1-1:0.51: Quatech 2nd gen USB to Serial Driver converter detected
[  518.298142][ T7169] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB0
[  518.309343][ T7169] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB1
[  518.496642][    C0] quatech-serial ttyUSB0: qt2_process_read_urb - port change to invalid port: 2
executing program
[  518.697125][    C0] usb 1-1: qt2_read_bulk_callback - non-zero urb status: -71
[  518.701752][ T6757] usb 1-1: USB disconnect, device number 11
[  518.714684][ T6757] quatech-serial ttyUSB0: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB0
[  518.728811][ T6757] quatech-serial ttyUSB1: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB1
[  518.741083][ T6757] quatech2 1-1:0.51: device disconnected
[  519.044456][ T6757] usb 1-1: new high-speed USB device number 12 using dummy_hcd
[  519.194379][ T6757] usb 1-1: Using ep0 maxpacket: 32
[  519.201139][ T6757] usb 1-1: config 0 has an invalid interface number: 51 but max is 0
[  519.209401][ T6757] usb 1-1: config 0 has no interface number 0
[  519.218002][ T6757] usb 1-1: New USB device found, idVendor=061d, idProduct=c150, bcdDevice=ce.6f
[  519.227127][ T6757] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  519.235185][ T6757] usb 1-1: Product: syz
[  519.239395][ T6757] usb 1-1: Manufacturer: syz
[  519.244015][ T6757] usb 1-1: SerialNumber: syz
[  519.250243][ T6757] usb 1-1: config 0 descriptor??
[  519.256932][ T6757] quatech2 1-1:0.51: Quatech 2nd gen USB to Serial Driver converter detected
[  519.458208][ T6757] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB0
[  519.469415][ T6757] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB1
[  519.657103][    C1] quatech-serial ttyUSB0: qt2_process_read_urb - port change to invalid port: 2
executing program
[  519.857673][    C1] usb 1-1: qt2_read_bulk_callback - non-zero urb status: -71
[  519.860375][ T7169] usb 1-1: USB disconnect, device number 12
[  519.878979][ T7169] quatech-serial ttyUSB0: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB0
[  519.892763][ T7169] quatech-serial ttyUSB1: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB1
[  519.907110][ T7169] quatech2 1-1:0.51: device disconnected
[  520.224413][ T7169] usb 1-1: new high-speed USB device number 13 using dummy_hcd
[  520.374292][ T7169] usb 1-1: Using ep0 maxpacket: 32
[  520.381197][ T7169] usb 1-1: config 0 has an invalid interface number: 51 but max is 0
[  520.389500][ T7169] usb 1-1: config 0 has no interface number 0
[  520.397491][ T7169] usb 1-1: New USB device found, idVendor=061d, idProduct=c150, bcdDevice=ce.6f
[  520.406676][ T7169] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  520.414767][ T7169] usb 1-1: Product: syz
[  520.418925][ T7169] usb 1-1: Manufacturer: syz
[  520.423679][ T7169] usb 1-1: SerialNumber: syz
[  520.429934][ T7169] usb 1-1: config 0 descriptor??
[  520.436682][ T7169] quatech2 1-1:0.51: Quatech 2nd gen USB to Serial Driver converter detected
[  520.638552][ T7169] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB0
[  520.649763][ T7169] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB1
[  520.837166][    C0] quatech-serial ttyUSB0: qt2_process_read_urb - port change to invalid port: 2
executing program
[  521.037665][    C0] usb 1-1: qt2_read_bulk_callback - non-zero urb status: -71
[  521.038024][ T6757] usb 1-1: USB disconnect, device number 13
[  521.056138][ T6757] quatech-serial ttyUSB0: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB0
[  521.073514][ T6757] quatech-serial ttyUSB1: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB1
[  521.085231][ T6757] quatech2 1-1:0.51: device disconnected
[  521.384469][ T6757] usb 1-1: new high-speed USB device number 14 using dummy_hcd
[  521.534301][ T6757] usb 1-1: Using ep0 maxpacket: 32
[  521.541051][ T6757] usb 1-1: config 0 has an invalid interface number: 51 but max is 0
[  521.549278][ T6757] usb 1-1: config 0 has no interface number 0
[  521.557247][ T6757] usb 1-1: New USB device found, idVendor=061d, idProduct=c150, bcdDevice=ce.6f
[  521.566422][ T6757] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  521.575428][ T6757] usb 1-1: Product: syz
[  521.579600][ T6757] usb 1-1: Manufacturer: syz
[  521.584255][ T6757] usb 1-1: SerialNumber: syz
[  521.590211][ T6757] usb 1-1: config 0 descriptor??
[  521.597066][ T6757] quatech2 1-1:0.51: Quatech 2nd gen USB to Serial Driver converter detected
[  521.798330][ T6757] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB0
[  521.810621][ T6757] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB1
[  521.997291][    C1] quatech-serial ttyUSB0: qt2_process_read_urb - port change to invalid port: 2
executing program
[  522.197848][    C1] usb 1-1: qt2_read_bulk_callback - non-zero urb status: -71
[  522.198195][ T7169] usb 1-1: USB disconnect, device number 14
[  522.214451][ T7169] quatech-serial ttyUSB0: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB0
[  522.229007][ T7169] quatech-serial ttyUSB1: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB1
[  522.240967][ T7169] quatech2 1-1:0.51: device disconnected
[  522.534383][ T7169] usb 1-1: new high-speed USB device number 15 using dummy_hcd
[  522.684594][ T7169] usb 1-1: Using ep0 maxpacket: 32
[  522.691575][ T7169] usb 1-1: config 0 has an invalid interface number: 51 but max is 0
[  522.699785][ T7169] usb 1-1: config 0 has no interface number 0
[  522.707790][ T7169] usb 1-1: New USB device found, idVendor=061d, idProduct=c150, bcdDevice=ce.6f
[  522.716981][ T7169] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  522.725147][ T7169] usb 1-1: Product: syz
[  522.729305][ T7169] usb 1-1: Manufacturer: syz
[  522.733883][ T7169] usb 1-1: SerialNumber: syz
[  522.740094][ T7169] usb 1-1: config 0 descriptor??
[  522.746965][ T7169] quatech2 1-1:0.51: Quatech 2nd gen USB to Serial Driver converter detected
[  522.949066][ T7169] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB0
[  522.960281][ T7169] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB1
[  523.147999][    C0] quatech-serial ttyUSB0: qt2_process_read_urb - port change to invalid port: 2
executing program
[  523.348645][    C0] usb 1-1: qt2_read_bulk_callback - non-zero urb status: -71
[  523.348966][ T6757] usb 1-1: USB disconnect, device number 15
[  523.365021][ T6757] quatech-serial ttyUSB0: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB0
[  523.381031][ T6757] quatech-serial ttyUSB1: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB1
[  523.392850][ T6757] quatech2 1-1:0.51: device disconnected
[  523.685016][ T6757] usb 1-1: new high-speed USB device number 16 using dummy_hcd
[  523.834359][ T6757] usb 1-1: Using ep0 maxpacket: 32
[  523.841074][ T6757] usb 1-1: config 0 has an invalid interface number: 51 but max is 0
[  523.849321][ T6757] usb 1-1: config 0 has no interface number 0
[  523.857306][ T6757] usb 1-1: New USB device found, idVendor=061d, idProduct=c150, bcdDevice=ce.6f
[  523.866451][ T6757] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  523.874510][ T6757] usb 1-1: Product: syz
[  523.878673][ T6757] usb 1-1: Manufacturer: syz
[  523.883258][ T6757] usb 1-1: SerialNumber: syz
[  523.889621][ T6757] usb 1-1: config 0 descriptor??
[  523.896450][ T6757] quatech2 1-1:0.51: Quatech 2nd gen USB to Serial Driver converter detected
[  524.098103][ T6757] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB0
[  524.109368][ T6757] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB1
[  524.296957][    C1] quatech-serial ttyUSB0: qt2_process_read_urb - port change to invalid port: 2
executing program
[  524.497495][    C1] usb 1-1: qt2_read_bulk_callback - non-zero urb status: -71
[  524.500183][ T7169] usb 1-1: USB disconnect, device number 16
[  524.518650][ T7169] quatech-serial ttyUSB0: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB0
[  524.532687][ T7169] quatech-serial ttyUSB1: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB1
[  524.544349][ T7169] quatech2 1-1:0.51: device disconnected
[  524.844517][ T7169] usb 1-1: new high-speed USB device number 17 using dummy_hcd
[  525.004459][ T7169] usb 1-1: Using ep0 maxpacket: 32
[  525.011638][ T7169] usb 1-1: config 0 has an invalid interface number: 51 but max is 0
[  525.019833][ T7169] usb 1-1: config 0 has no interface number 0
[  525.028079][ T7169] usb 1-1: New USB device found, idVendor=061d, idProduct=c150, bcdDevice=ce.6f
[  525.037214][ T7169] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  525.045304][ T7169] usb 1-1: Product: syz
[  525.049599][ T7169] usb 1-1: Manufacturer: syz
[  525.054459][ T7169] usb 1-1: SerialNumber: syz
[  525.060540][ T7169] usb 1-1: config 0 descriptor??
[  525.067387][ T7169] quatech2 1-1:0.51: Quatech 2nd gen USB to Serial Driver converter detected
[  525.268682][ T7169] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB0
[  525.280069][ T7169] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB1
[  525.467656][    C0] quatech-serial ttyUSB0: qt2_process_read_urb - port change to invalid port: 2
executing program
[  525.668128][    C0] usb 1-1: qt2_read_bulk_callback - non-zero urb status: -71
[  525.668594][ T6757] usb 1-1: USB disconnect, device number 17
[  525.686834][ T6757] quatech-serial ttyUSB0: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB0
[  525.701619][ T6757] quatech-serial ttyUSB1: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB1
[  525.713796][ T6757] quatech2 1-1:0.51: device disconnected
[  526.004452][ T6757] usb 1-1: new high-speed USB device number 18 using dummy_hcd
[  526.154369][ T6757] usb 1-1: Using ep0 maxpacket: 32
[  526.160916][ T6757] usb 1-1: config 0 has an invalid interface number: 51 but max is 0
[  526.169179][ T6757] usb 1-1: config 0 has no interface number 0
[  526.177433][ T6757] usb 1-1: New USB device found, idVendor=061d, idProduct=c150, bcdDevice=ce.6f
[  526.186591][ T6757] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  526.194640][ T6757] usb 1-1: Product: syz
[  526.198818][ T6757] usb 1-1: Manufacturer: syz
[  526.203437][ T6757] usb 1-1: SerialNumber: syz
[  526.209841][ T6757] usb 1-1: config 0 descriptor??
[  526.216491][ T6757] quatech2 1-1:0.51: Quatech 2nd gen USB to Serial Driver converter detected
[  526.417818][ T6757] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB0
[  526.429305][ T6757] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB1
[  526.616661][    C1] quatech-serial ttyUSB0: qt2_process_read_urb - port change to invalid port: 2
executing program
[  526.817158][    C1] usb 1-1: qt2_read_bulk_callback - non-zero urb status: -71
[  526.820312][ T7169] usb 1-1: USB disconnect, device number 18
[  526.836555][ T7169] quatech-serial ttyUSB0: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB0
[  526.851166][ T7169] quatech-serial ttyUSB1: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB1
[  526.863300][ T7169] quatech2 1-1:0.51: device disconnected
[  527.154366][ T7169] usb 1-1: new high-speed USB device number 19 using dummy_hcd
[  527.304348][ T7169] usb 1-1: Using ep0 maxpacket: 32
[  527.310904][ T7169] usb 1-1: config 0 has an invalid interface number: 51 but max is 0
[  527.319099][ T7169] usb 1-1: config 0 has no interface number 0
[  527.327613][ T7169] usb 1-1: New USB device found, idVendor=061d, idProduct=c150, bcdDevice=ce.6f
[  527.336748][ T7169] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  527.344789][ T7169] usb 1-1: Product: syz
[  527.348940][ T7169] usb 1-1: Manufacturer: syz
[  527.353512][ T7169] usb 1-1: SerialNumber: syz
[  527.360312][ T7169] usb 1-1: config 0 descriptor??
[  527.367409][ T7169] quatech2 1-1:0.51: Quatech 2nd gen USB to Serial Driver converter detected
[  527.568587][ T7169] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB0
[  527.579843][ T7169] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB1
[  527.768026][    C0] quatech-serial ttyUSB0: qt2_process_read_urb - port change to invalid port: 2
executing program
[  527.968578][    C0] usb 1-1: qt2_read_bulk_callback - non-zero urb status: -71
[  527.971754][ T6757] usb 1-1: USB disconnect, device number 19
[  527.989069][ T6757] quatech-serial ttyUSB0: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB0
[  528.004348][ T6757] quatech-serial ttyUSB1: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB1
[  528.016130][ T6757] quatech2 1-1:0.51: device disconnected
[  528.324323][ T6757] usb 1-1: new high-speed USB device number 20 using dummy_hcd
[  528.474331][ T6757] usb 1-1: Using ep0 maxpacket: 32
[  528.480869][ T6757] usb 1-1: config 0 has an invalid interface number: 51 but max is 0
[  528.489035][ T6757] usb 1-1: config 0 has no interface number 0
[  528.497109][ T6757] usb 1-1: New USB device found, idVendor=061d, idProduct=c150, bcdDevice=ce.6f
[  528.506233][ T6757] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  528.514268][ T6757] usb 1-1: Product: syz
[  528.518414][ T6757] usb 1-1: Manufacturer: syz
[  528.522990][ T6757] usb 1-1: SerialNumber: syz
[  528.529354][ T6757] usb 1-1: config 0 descriptor??
[  528.536083][ T6757] quatech2 1-1:0.51: Quatech 2nd gen USB to Serial Driver converter detected
[  528.737260][ T6757] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB0
[  528.748868][ T6757] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB1
[  528.936219][    C1] quatech-serial ttyUSB0: qt2_process_read_urb - port change to invalid port: 2
executing program
[  529.136739][    C1] usb 1-1: qt2_read_bulk_callback - non-zero urb status: -71
[  529.137045][ T7169] usb 1-1: USB disconnect, device number 20
[  529.154110][ T7169] quatech-serial ttyUSB0: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB0
[  529.169465][ T7169] quatech-serial ttyUSB1: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB1
[  529.181083][ T7169] quatech2 1-1:0.51: device disconnected
[  529.474416][ T7169] usb 1-1: new high-speed USB device number 21 using dummy_hcd
[  529.624358][ T7169] usb 1-1: Using ep0 maxpacket: 32
[  529.630969][ T7169] usb 1-1: config 0 has an invalid interface number: 51 but max is 0
[  529.639139][ T7169] usb 1-1: config 0 has no interface number 0
[  529.647027][ T7169] usb 1-1: New USB device found, idVendor=061d, idProduct=c150, bcdDevice=ce.6f
[  529.656296][ T7169] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  529.664388][ T7169] usb 1-1: Product: syz
[  529.668564][ T7169] usb 1-1: Manufacturer: syz
[  529.673217][ T7169] usb 1-1: SerialNumber: syz
[  529.679534][ T7169] usb 1-1: config 0 descriptor??
[  529.686399][ T7169] quatech2 1-1:0.51: Quatech 2nd gen USB to Serial Driver converter detected
[  529.887485][ T7169] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB0
[  529.898690][ T7169] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB1
[  530.086424][    C0] quatech-serial ttyUSB0: qt2_process_read_urb - port change to invalid port: 2
executing program
[  530.286975][    C0] usb 1-1: qt2_read_bulk_callback - non-zero urb status: -71
[  530.287319][ T6757] usb 1-1: USB disconnect, device number 21
[  530.304242][ T6757] quatech-serial ttyUSB0: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB0
[  530.321057][ T6757] quatech-serial ttyUSB1: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB1
[  530.332776][ T6757] quatech2 1-1:0.51: device disconnected
[  530.624287][ T6757] usb 1-1: new high-speed USB device number 22 using dummy_hcd
[  530.774341][ T6757] usb 1-1: Using ep0 maxpacket: 32
[  530.781463][ T6757] usb 1-1: config 0 has an invalid interface number: 51 but max is 0
[  530.789948][ T6757] usb 1-1: config 0 has no interface number 0
[  530.798079][ T6757] usb 1-1: New USB device found, idVendor=061d, idProduct=c150, bcdDevice=ce.6f
[  530.807354][ T6757] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  530.815453][ T6757] usb 1-1: Product: syz
[  530.819624][ T6757] usb 1-1: Manufacturer: syz
[  530.824333][ T6757] usb 1-1: SerialNumber: syz
[  530.830961][ T6757] usb 1-1: config 0 descriptor??
[  530.837791][ T6757] quatech2 1-1:0.51: Quatech 2nd gen USB to Serial Driver converter detected
[  531.039035][ T6757] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB0
[  531.050618][ T6757] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB1
[  531.238163][    C1] quatech-serial ttyUSB0: qt2_process_read_urb - port change to invalid port: 2
executing program
[  531.448040][    C1] usb 1-1: qt2_read_bulk_callback - non-zero urb status: -71
[  531.450751][ T7169] usb 1-1: USB disconnect, device number 22
[  531.468284][ T7169] quatech-serial ttyUSB0: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB0
[  531.482343][ T7169] quatech-serial ttyUSB1: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB1
[  531.496328][ T7169] quatech2 1-1:0.51: device disconnected
[  531.794314][ T7169] usb 1-1: new high-speed USB device number 23 using dummy_hcd
[  531.944366][ T7169] usb 1-1: Using ep0 maxpacket: 32
[  531.951233][ T7169] usb 1-1: config 0 has an invalid interface number: 51 but max is 0
[  531.959611][ T7169] usb 1-1: config 0 has no interface number 0
[  531.968095][ T7169] usb 1-1: New USB device found, idVendor=061d, idProduct=c150, bcdDevice=ce.6f
[  531.977265][ T7169] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  531.985360][ T7169] usb 1-1: Product: syz
[  531.989538][ T7169] usb 1-1: Manufacturer: syz
[  531.994463][ T7169] usb 1-1: SerialNumber: syz
[  532.000301][ T7169] usb 1-1: config 0 descriptor??
[  532.008310][ T7169] quatech2 1-1:0.51: Quatech 2nd gen USB to Serial Driver converter detected
[  532.209446][ T7169] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB0
[  532.221258][ T7169] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB1
[  532.408479][    C0] quatech-serial ttyUSB0: qt2_process_read_urb - port change to invalid port: 2
executing program
[  532.609004][    C0] usb 1-1: qt2_read_bulk_callback - non-zero urb status: -71
[  532.611792][ T6757] usb 1-1: USB disconnect, device number 23
[  532.629948][ T6757] quatech-serial ttyUSB0: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB0
[  532.643762][ T6757] quatech-serial ttyUSB1: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB1
[  532.655792][ T6757] quatech2 1-1:0.51: device disconnected
[  532.964382][ T6757] usb 1-1: new high-speed USB device number 24 using dummy_hcd
[  533.114341][ T6757] usb 1-1: Using ep0 maxpacket: 32
[  533.121284][ T6757] usb 1-1: config 0 has an invalid interface number: 51 but max is 0
[  533.129470][ T6757] usb 1-1: config 0 has no interface number 0
[  533.137590][ T6757] usb 1-1: New USB device found, idVendor=061d, idProduct=c150, bcdDevice=ce.6f
[  533.146825][ T6757] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  533.155234][ T6757] usb 1-1: Product: syz
[  533.159424][ T6757] usb 1-1: Manufacturer: syz
[  533.164010][ T6757] usb 1-1: SerialNumber: syz
[  533.170280][ T6757] usb 1-1: config 0 descriptor??
[  533.177008][ T6757] quatech2 1-1:0.51: Quatech 2nd gen USB to Serial Driver converter detected
[  533.378204][ T6757] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB0
[  533.389949][ T6757] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB1
[  533.577170][    C1] quatech-serial ttyUSB0: qt2_process_read_urb - port change to invalid port: 2
executing program
[  533.777621][    C1] usb 1-1: qt2_read_bulk_callback - non-zero urb status: -71
[  533.778016][ T7169] usb 1-1: USB disconnect, device number 24
[  533.794440][ T7169] quatech-serial ttyUSB0: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB0
[  533.809719][ T7169] quatech-serial ttyUSB1: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB1
[  533.821569][ T7169] quatech2 1-1:0.51: device disconnected
[  534.124425][ T7169] usb 1-1: new high-speed USB device number 25 using dummy_hcd
[  534.274296][ T7169] usb 1-1: Using ep0 maxpacket: 32
[  534.281685][ T7169] usb 1-1: config 0 has an invalid interface number: 51 but max is 0
[  534.289866][ T7169] usb 1-1: config 0 has no interface number 0
[  534.297783][ T7169] usb 1-1: New USB device found, idVendor=061d, idProduct=c150, bcdDevice=ce.6f
[  534.306923][ T7169] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  534.315031][ T7169] usb 1-1: Product: syz
[  534.319183][ T7169] usb 1-1: Manufacturer: syz
[  534.323760][ T7169] usb 1-1: SerialNumber: syz
[  534.330019][ T7169] usb 1-1: config 0 descriptor??
[  534.336724][ T7169] quatech2 1-1:0.51: Quatech 2nd gen USB to Serial Driver converter detected
[  534.538154][ T7169] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB0
[  534.549583][ T7169] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB1
[  534.737065][    C0] quatech-serial ttyUSB0: qt2_process_read_urb - port change to invalid port: 2
executing program
[  534.937603][    C0] usb 1-1: qt2_read_bulk_callback - non-zero urb status: -71
[  534.940833][ T6757] usb 1-1: USB disconnect, device number 25
[  534.957453][ T6757] quatech-serial ttyUSB0: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB0
[  534.971157][ T6757] quatech-serial ttyUSB1: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB1
[  534.983610][ T6757] quatech2 1-1:0.51: device disconnected
[  535.274343][ T6757] usb 1-1: new high-speed USB device number 26 using dummy_hcd
[  535.424357][ T6757] usb 1-1: Using ep0 maxpacket: 32
[  535.430879][ T6757] usb 1-1: config 0 has an invalid interface number: 51 but max is 0
[  535.439125][ T6757] usb 1-1: config 0 has no interface number 0
[  535.447312][ T6757] usb 1-1: New USB device found, idVendor=061d, idProduct=c150, bcdDevice=ce.6f
[  535.456499][ T6757] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  535.464623][ T6757] usb 1-1: Product: syz
[  535.468836][ T6757] usb 1-1: Manufacturer: syz
[  535.473450][ T6757] usb 1-1: SerialNumber: syz
[  535.479458][ T6757] usb 1-1: config 0 descriptor??
[  535.486610][ T6757] quatech2 1-1:0.51: Quatech 2nd gen USB to Serial Driver converter detected
[  535.688714][ T6757] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB0
[  535.699854][ T6757] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB1
[  535.887701][    C1] quatech-serial ttyUSB0: qt2_process_read_urb - port change to invalid port: 2
executing program
[  536.088280][    C1] usb 1-1: qt2_read_bulk_callback - non-zero urb status: -71
[  536.088691][ T7169] usb 1-1: USB disconnect, device number 26
[  536.107217][ T7169] quatech-serial ttyUSB0: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB0
[  536.123950][ T7169] quatech-serial ttyUSB1: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB1
[  536.135758][ T7169] quatech2 1-1:0.51: device disconnected
[  536.434412][ T7169] usb 1-1: new high-speed USB device number 27 using dummy_hcd
[  536.584357][ T7169] usb 1-1: Using ep0 maxpacket: 32
[  536.590948][ T7169] usb 1-1: config 0 has an invalid interface number: 51 but max is 0
[  536.599129][ T7169] usb 1-1: config 0 has no interface number 0
[  536.607393][ T7169] usb 1-1: New USB device found, idVendor=061d, idProduct=c150, bcdDevice=ce.6f
[  536.616530][ T7169] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  536.624571][ T7169] usb 1-1: Product: syz
[  536.628752][ T7169] usb 1-1: Manufacturer: syz
[  536.633449][ T7169] usb 1-1: SerialNumber: syz
[  536.639793][ T7169] usb 1-1: config 0 descriptor??
[  536.646512][ T7169] quatech2 1-1:0.51: Quatech 2nd gen USB to Serial Driver converter detected
[  536.847831][ T7169] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB0
[  536.859159][ T7169] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB1
[  537.046573][    C0] quatech-serial ttyUSB0: qt2_process_read_urb - port change to invalid port: 2
executing program
[  537.247100][    C0] usb 1-1: qt2_read_bulk_callback - non-zero urb status: -71
[  537.249765][ T6757] usb 1-1: USB disconnect, device number 27
[  537.267599][ T6757] quatech-serial ttyUSB0: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB0
[  537.280995][ T6757] quatech-serial ttyUSB1: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB1
[  537.292734][ T6757] quatech2 1-1:0.51: device disconnected
[  537.584369][ T6757] usb 1-1: new high-speed USB device number 28 using dummy_hcd
[  537.734356][ T6757] usb 1-1: Using ep0 maxpacket: 32
[  537.740852][ T6757] usb 1-1: config 0 has an invalid interface number: 51 but max is 0
[  537.749020][ T6757] usb 1-1: config 0 has no interface number 0
[  537.757112][ T6757] usb 1-1: New USB device found, idVendor=061d, idProduct=c150, bcdDevice=ce.6f
[  537.766250][ T6757] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  537.774302][ T6757] usb 1-1: Product: syz
[  537.778487][ T6757] usb 1-1: Manufacturer: syz
[  537.783088][ T6757] usb 1-1: SerialNumber: syz
[  537.790032][ T6757] usb 1-1: config 0 descriptor??
[  537.796662][ T6757] quatech2 1-1:0.51: Quatech 2nd gen USB to Serial Driver converter detected
[  537.998494][ T6757] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB0
[  538.009756][ T6757] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB1
[  538.197351][    C1] quatech-serial ttyUSB0: qt2_process_read_urb - port change to invalid port: 2
executing program
[  538.397961][    C1] usb 1-1: qt2_read_bulk_callback - non-zero urb status: -71
[  538.400797][ T7169] usb 1-1: USB disconnect, device number 28
[  538.415625][ T7169] quatech-serial ttyUSB0: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB0
[  538.430334][ T7169] quatech-serial ttyUSB1: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB1
[  538.442679][ T7169] quatech2 1-1:0.51: device disconnected
[  538.734302][ T7169] usb 1-1: new high-speed USB device number 29 using dummy_hcd
[  538.884279][ T7169] usb 1-1: Using ep0 maxpacket: 32
[  538.890875][ T7169] usb 1-1: config 0 has an invalid interface number: 51 but max is 0
[  538.899055][ T7169] usb 1-1: config 0 has no interface number 0
[  538.906998][ T7169] usb 1-1: New USB device found, idVendor=061d, idProduct=c150, bcdDevice=ce.6f
[  538.916141][ T7169] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  538.924272][ T7169] usb 1-1: Product: syz
[  538.928451][ T7169] usb 1-1: Manufacturer: syz
[  538.933055][ T7169] usb 1-1: SerialNumber: syz
[  538.939197][ T7169] usb 1-1: config 0 descriptor??
[  538.946088][ T7169] quatech2 1-1:0.51: Quatech 2nd gen USB to Serial Driver converter detected
[  539.147255][ T7169] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB0
[  539.158364][ T7169] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB1
[  539.346108][    C0] quatech-serial ttyUSB0: qt2_process_read_urb - port change to invalid port: 2
executing program
[  539.546667][    C0] usb 1-1: qt2_read_bulk_callback - non-zero urb status: -71
[  539.549256][ T6757] usb 1-1: USB disconnect, device number 29
[  539.566000][ T6757] quatech-serial ttyUSB0: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB0
[  539.579978][ T6757] quatech-serial ttyUSB1: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB1
[  539.592036][ T6757] quatech2 1-1:0.51: device disconnected
[  539.884361][ T6757] usb 1-1: new high-speed USB device number 30 using dummy_hcd
[  540.034324][ T6757] usb 1-1: Using ep0 maxpacket: 32
[  540.041004][ T6757] usb 1-1: config 0 has an invalid interface number: 51 but max is 0
[  540.049233][ T6757] usb 1-1: config 0 has no interface number 0
[  540.057160][ T6757] usb 1-1: New USB device found, idVendor=061d, idProduct=c150, bcdDevice=ce.6f
[  540.066331][ T6757] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  540.074410][ T6757] usb 1-1: Product: syz
[  540.078603][ T6757] usb 1-1: Manufacturer: syz
[  540.083294][ T6757] usb 1-1: SerialNumber: syz
[  540.089551][ T6757] usb 1-1: config 0 descriptor??
[  540.096193][ T6757] quatech2 1-1:0.51: Quatech 2nd gen USB to Serial Driver converter detected
[  540.297327][ T6757] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB0
[  540.308685][ T6757] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB1
[  540.496279][    C1] quatech-serial ttyUSB0: qt2_process_read_urb - port change to invalid port: 2
executing program
[  540.696728][    C1] usb 1-1: qt2_read_bulk_callback - non-zero urb status: -71
[  540.699879][ T7169] usb 1-1: USB disconnect, device number 30
[  540.717220][ T7169] quatech-serial ttyUSB0: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB0
[  540.731093][ T7169] quatech-serial ttyUSB1: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB1
[  540.743173][ T7169] quatech2 1-1:0.51: device disconnected
[  541.044325][ T7169] usb 1-1: new high-speed USB device number 31 using dummy_hcd
[  541.194424][ T7169] usb 1-1: Using ep0 maxpacket: 32
[  541.201071][ T7169] usb 1-1: config 0 has an invalid interface number: 51 but max is 0
[  541.209261][ T7169] usb 1-1: config 0 has no interface number 0
[  541.217560][ T7169] usb 1-1: New USB device found, idVendor=061d, idProduct=c150, bcdDevice=ce.6f
[  541.226705][ T7169] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  541.234817][ T7169] usb 1-1: Product: syz
[  541.239235][ T7169] usb 1-1: Manufacturer: syz
[  541.243817][ T7169] usb 1-1: SerialNumber: syz
[  541.250064][ T7169] usb 1-1: config 0 descriptor??
[  541.256826][ T7169] quatech2 1-1:0.51: Quatech 2nd gen USB to Serial Driver converter detected
[  541.458293][ T7169] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB0
[  541.469801][ T7169] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB1
[  541.657217][    C0] quatech-serial ttyUSB0: qt2_process_read_urb - port change to invalid port: 2
executing program
[  541.857734][    C0] usb 1-1: qt2_read_bulk_callback - non-zero urb status: -71
[  541.868401][ T7169] usb 1-1: USB disconnect, device number 31
[  541.876233][ T7169] quatech-serial ttyUSB0: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB0
[  541.890401][ T7169] quatech-serial ttyUSB1: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB1
[  541.902247][ T7169] quatech2 1-1:0.51: device disconnected
[  542.194309][ T7169] usb 1-1: new high-speed USB device number 32 using dummy_hcd
[  542.354246][ T7169] usb 1-1: Using ep0 maxpacket: 32
[  542.360738][ T7169] usb 1-1: config 0 has an invalid interface number: 51 but max is 0
[  542.368984][ T7169] usb 1-1: config 0 has no interface number 0
[  542.377055][ T7169] usb 1-1: New USB device found, idVendor=061d, idProduct=c150, bcdDevice=ce.6f
[  542.386452][ T7169] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  542.394496][ T7169] usb 1-1: Product: syz
[  542.398752][ T7169] usb 1-1: Manufacturer: syz
[  542.403352][ T7169] usb 1-1: SerialNumber: syz
[  542.409624][ T7169] usb 1-1: config 0 descriptor??
[  542.416876][ T7169] quatech2 1-1:0.51: Quatech 2nd gen USB to Serial Driver converter detected
[  542.618049][ T7169] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB0
[  542.629514][ T7169] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB1
[  542.816885][    C0] quatech-serial ttyUSB0: qt2_process_read_urb - port change to invalid port: 2
executing program
[  543.023052][    C0] usb 1-1: qt2_read_bulk_callback - non-zero urb status: -71
[  543.026523][ T6757] usb 1-1: USB disconnect, device number 32
[  543.041849][ T6757] quatech-serial ttyUSB0: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB0
[  543.056165][ T6757] quatech-serial ttyUSB1: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB1
[  543.068167][ T6757] quatech2 1-1:0.51: device disconnected
[  543.364269][ T6757] usb 1-1: new high-speed USB device number 33 using dummy_hcd
[  543.514301][ T6757] usb 1-1: Using ep0 maxpacket: 32
[  543.520961][ T6757] usb 1-1: config 0 has an invalid interface number: 51 but max is 0
[  543.529148][ T6757] usb 1-1: config 0 has no interface number 0
[  543.537073][ T6757] usb 1-1: New USB device found, idVendor=061d, idProduct=c150, bcdDevice=ce.6f
[  543.546188][ T6757] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  543.554253][ T6757] usb 1-1: Product: syz
[  543.558417][ T6757] usb 1-1: Manufacturer: syz
[  543.562992][ T6757] usb 1-1: SerialNumber: syz
[  543.569266][ T6757] usb 1-1: config 0 descriptor??
[  543.575995][ T6757] quatech2 1-1:0.51: Quatech 2nd gen USB to Serial Driver converter detected
[  543.777364][ T6757] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB0
[  543.789129][ T6757] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB1
[  543.976184][    C1] quatech-serial ttyUSB0: qt2_process_read_urb - port change to invalid port: 2
executing program
[  544.176636][    C1] usb 1-1: qt2_read_bulk_callback - non-zero urb status: -71
[  544.179676][ T7169] usb 1-1: USB disconnect, device number 33
[  544.194431][ T7169] quatech-serial ttyUSB0: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB0
[  544.208122][ T7169] quatech-serial ttyUSB1: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB1
[  544.219803][ T7169] quatech2 1-1:0.51: device disconnected
[  544.514302][ T7169] usb 1-1: new high-speed USB device number 34 using dummy_hcd
[  544.674344][ T7169] usb 1-1: Using ep0 maxpacket: 32
[  544.681150][ T7169] usb 1-1: config 0 has an invalid interface number: 51 but max is 0
[  544.689382][ T7169] usb 1-1: config 0 has no interface number 0
[  544.697535][ T7169] usb 1-1: New USB device found, idVendor=061d, idProduct=c150, bcdDevice=ce.6f
[  544.706668][ T7169] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  544.714787][ T7169] usb 1-1: Product: syz
[  544.718975][ T7169] usb 1-1: Manufacturer: syz
[  544.723577][ T7169] usb 1-1: SerialNumber: syz
[  544.730729][ T7169] usb 1-1: config 0 descriptor??
[  544.737392][ T7169] quatech2 1-1:0.51: Quatech 2nd gen USB to Serial Driver converter detected
[  544.938677][ T7169] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB0
[  544.950159][ T7169] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB1
[  545.137513][    C0] quatech-serial ttyUSB0: qt2_process_read_urb - port change to invalid port: 2
executing program
[  545.337972][    C0] usb 1-1: qt2_read_bulk_callback - non-zero urb status: -71
[  545.340738][ T6757] usb 1-1: USB disconnect, device number 34
[  545.354041][ T6757] quatech-serial ttyUSB0: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB0
[  545.368339][ T6757] quatech-serial ttyUSB1: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB1
[  545.380523][ T6757] quatech2 1-1:0.51: device disconnected
[  545.684341][ T6757] usb 1-1: new high-speed USB device number 35 using dummy_hcd
[  545.834332][ T6757] usb 1-1: Using ep0 maxpacket: 32
[  545.841085][ T6757] usb 1-1: config 0 has an invalid interface number: 51 but max is 0
[  545.849282][ T6757] usb 1-1: config 0 has no interface number 0
[  545.857588][ T6757] usb 1-1: New USB device found, idVendor=061d, idProduct=c150, bcdDevice=ce.6f
[  545.866837][ T6757] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  545.875092][ T6757] usb 1-1: Product: syz
[  545.879272][ T6757] usb 1-1: Manufacturer: syz
[  545.883981][ T6757] usb 1-1: SerialNumber: syz
[  545.890128][ T6757] usb 1-1: config 0 descriptor??
[  545.897182][ T6757] quatech2 1-1:0.51: Quatech 2nd gen USB to Serial Driver converter detected
[  546.098347][ T6757] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB0
[  546.109530][ T6757] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB1
[  546.297331][    C1] quatech-serial ttyUSB0: qt2_process_read_urb - port change to invalid port: 2
executing program
[  546.497802][    C1] usb 1-1: qt2_read_bulk_callback - non-zero urb status: -71
[  546.501142][ T7169] usb 1-1: USB disconnect, device number 35
[  546.518122][ T7169] quatech-serial ttyUSB0: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB0
[  546.531986][ T7169] quatech-serial ttyUSB1: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB1
[  546.543893][ T7169] quatech2 1-1:0.51: device disconnected
[  546.834380][ T7169] usb 1-1: new high-speed USB device number 36 using dummy_hcd
[  546.994358][ T7169] usb 1-1: Using ep0 maxpacket: 32
[  547.000925][ T7169] usb 1-1: config 0 has an invalid interface number: 51 but max is 0
[  547.009169][ T7169] usb 1-1: config 0 has no interface number 0
[  547.017160][ T7169] usb 1-1: New USB device found, idVendor=061d, idProduct=c150, bcdDevice=ce.6f
[  547.026295][ T7169] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  547.034362][ T7169] usb 1-1: Product: syz
[  547.038666][ T7169] usb 1-1: Manufacturer: syz
[  547.043310][ T7169] usb 1-1: SerialNumber: syz
[  547.050564][ T7169] usb 1-1: config 0 descriptor??
[  547.057252][ T7169] quatech2 1-1:0.51: Quatech 2nd gen USB to Serial Driver converter detected
[  547.258535][ T7169] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB0
[  547.269754][ T7169] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB1
[  547.457999][    C0] quatech-serial ttyUSB0: qt2_process_read_urb - port change to invalid port: 2
executing program
[  547.658641][    C0] usb 1-1: qt2_read_bulk_callback - non-zero urb status: -71
[  547.661463][ T6757] usb 1-1: USB disconnect, device number 36
[  547.679126][ T6757] quatech-serial ttyUSB0: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB0
[  547.693502][ T6757] quatech-serial ttyUSB1: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB1
[  547.705683][ T6757] quatech2 1-1:0.51: device disconnected
[  548.004423][ T6757] usb 1-1: new high-speed USB device number 37 using dummy_hcd
[  548.154947][ T6757] usb 1-1: Using ep0 maxpacket: 32
[  548.161470][ T6757] usb 1-1: config 0 has an invalid interface number: 51 but max is 0
[  548.169671][ T6757] usb 1-1: config 0 has no interface number 0
[  548.177563][ T6757] usb 1-1: New USB device found, idVendor=061d, idProduct=c150, bcdDevice=ce.6f
[  548.186854][ T6757] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  548.194880][ T6757] usb 1-1: Product: syz
[  548.199038][ T6757] usb 1-1: Manufacturer: syz
[  548.203618][ T6757] usb 1-1: SerialNumber: syz
[  548.209753][ T6757] usb 1-1: config 0 descriptor??
[  548.216766][ T6757] quatech2 1-1:0.51: Quatech 2nd gen USB to Serial Driver converter detected
[  548.418127][ T6757] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB0
[  548.429351][ T6757] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB1
[  548.617282][    C1] quatech-serial ttyUSB0: qt2_process_read_urb - port change to invalid port: 2
executing program
[  548.817892][    C1] usb 1-1: qt2_read_bulk_callback - non-zero urb status: -71
[  548.820495][ T7169] usb 1-1: USB disconnect, device number 37
[  548.834640][ T7169] quatech-serial ttyUSB0: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB0
[  548.848549][ T7169] quatech-serial ttyUSB1: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB1
[  548.860687][ T7169] quatech2 1-1:0.51: device disconnected
[  549.154433][ T7169] usb 1-1: new high-speed USB device number 38 using dummy_hcd
[  549.304311][ T7169] usb 1-1: Using ep0 maxpacket: 32
[  549.310861][ T7169] usb 1-1: config 0 has an invalid interface number: 51 but max is 0
[  549.319060][ T7169] usb 1-1: config 0 has no interface number 0
[  549.326969][ T7169] usb 1-1: New USB device found, idVendor=061d, idProduct=c150, bcdDevice=ce.6f
[  549.336138][ T7169] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  549.344187][ T7169] usb 1-1: Product: syz
[  549.348380][ T7169] usb 1-1: Manufacturer: syz
[  549.352986][ T7169] usb 1-1: SerialNumber: syz
[  549.359315][ T7169] usb 1-1: config 0 descriptor??
[  549.366087][ T7169] quatech2 1-1:0.51: Quatech 2nd gen USB to Serial Driver converter detected
[  549.567311][ T7169] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB0
[  549.578663][ T7169] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB1
[  549.765876][    C0] quatech-serial ttyUSB0: qt2_process_read_urb - port change to invalid port: 2
executing program
[  549.975850][    C0] usb 1-1: qt2_read_bulk_callback - non-zero urb status: -71
[  549.983690][ T7169] usb 1-1: USB disconnect, device number 38
[  549.998021][ T7169] quatech-serial ttyUSB0: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB0
[  550.011529][ T7169] quatech-serial ttyUSB1: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB1
[  550.023268][ T7169] quatech2 1-1:0.51: device disconnected
[  550.314354][ T7169] usb 1-1: new high-speed USB device number 39 using dummy_hcd
[  550.464378][ T7169] usb 1-1: Using ep0 maxpacket: 32
[  550.470910][ T7169] usb 1-1: config 0 has an invalid interface number: 51 but max is 0
[  550.479102][ T7169] usb 1-1: config 0 has no interface number 0
[  550.487331][ T7169] usb 1-1: New USB device found, idVendor=061d, idProduct=c150, bcdDevice=ce.6f
[  550.496438][ T7169] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  550.504464][ T7169] usb 1-1: Product: syz
[  550.508614][ T7169] usb 1-1: Manufacturer: syz
[  550.513191][ T7169] usb 1-1: SerialNumber: syz
[  550.520270][ T7169] usb 1-1: config 0 descriptor??
[  550.527178][ T7169] quatech2 1-1:0.51: Quatech 2nd gen USB to Serial Driver converter detected
[  550.728464][ T7169] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB0
[  550.739692][ T7169] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB1
[  550.927455][    C0] quatech-serial ttyUSB0: qt2_process_read_urb - port change to invalid port: 2
executing program
[  551.127989][    C0] usb 1-1: qt2_read_bulk_callback - non-zero urb status: -71
[  551.130618][ T6757] usb 1-1: USB disconnect, device number 39
[  551.149602][ T6757] quatech-serial ttyUSB0: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB0
[  551.163462][ T6757] quatech-serial ttyUSB1: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB1
[  551.175678][ T6757] quatech2 1-1:0.51: device disconnected
[  551.474479][ T6757] usb 1-1: new high-speed USB device number 40 using dummy_hcd
[  551.624354][ T6757] usb 1-1: Using ep0 maxpacket: 32
[  551.630866][ T6757] usb 1-1: config 0 has an invalid interface number: 51 but max is 0
[  551.639251][ T6757] usb 1-1: config 0 has no interface number 0
[  551.647295][ T6757] usb 1-1: New USB device found, idVendor=061d, idProduct=c150, bcdDevice=ce.6f
[  551.656414][ T6757] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  551.664440][ T6757] usb 1-1: Product: syz
[  551.668591][ T6757] usb 1-1: Manufacturer: syz
[  551.673164][ T6757] usb 1-1: SerialNumber: syz
[  551.679167][ T6757] usb 1-1: config 0 descriptor??
[  551.687088][ T6757] quatech2 1-1:0.51: Quatech 2nd gen USB to Serial Driver converter detected
[  551.888702][ T6757] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB0
[  551.899846][ T6757] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB1
[  552.087350][    C1] quatech-serial ttyUSB0: qt2_process_read_urb - port change to invalid port: 2
executing program
[  552.287944][    C1] usb 1-1: qt2_read_bulk_callback - non-zero urb status: -71
[  552.288248][ T7169] usb 1-1: USB disconnect, device number 40
[  552.307138][ T7169] quatech-serial ttyUSB0: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB0
[  552.321172][ T7169] quatech-serial ttyUSB1: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB1
[  552.333549][ T7169] quatech2 1-1:0.51: device disconnected
[  552.634333][ T7169] usb 1-1: new high-speed USB device number 41 using dummy_hcd
[  552.794376][ T7169] usb 1-1: Using ep0 maxpacket: 32
[  552.801121][ T7169] usb 1-1: config 0 has an invalid interface number: 51 but max is 0
[  552.809486][ T7169] usb 1-1: config 0 has no interface number 0
[  552.817698][ T7169] usb 1-1: New USB device found, idVendor=061d, idProduct=c150, bcdDevice=ce.6f
[  552.827127][ T7169] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  552.835291][ T7169] usb 1-1: Product: syz
[  552.839460][ T7169] usb 1-1: Manufacturer: syz
[  552.844040][ T7169] usb 1-1: SerialNumber: syz
[  552.850412][ T7169] usb 1-1: config 0 descriptor??
[  552.857289][ T7169] quatech2 1-1:0.51: Quatech 2nd gen USB to Serial Driver converter detected
[  553.058177][ T7169] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB0
[  553.069271][ T7169] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB1
[  553.257069][    C0] quatech-serial ttyUSB0: qt2_process_read_urb - port change to invalid port: 2
executing program
[  553.466910][    C0] usb 1-1: qt2_read_bulk_callback - non-zero urb status: -71
[  553.475544][ T7169] usb 1-1: USB disconnect, device number 41
[  553.484129][ T7169] quatech-serial ttyUSB0: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB0
[  553.501342][ T7169] quatech-serial ttyUSB1: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB1
[  553.512965][ T7169] quatech2 1-1:0.51: device disconnected
[  553.814440][ T7169] usb 1-1: new high-speed USB device number 42 using dummy_hcd
[  553.964498][ T7169] usb 1-1: Using ep0 maxpacket: 32
[  553.971752][ T7169] usb 1-1: config 0 has an invalid interface number: 51 but max is 0
[  553.980023][ T7169] usb 1-1: config 0 has no interface number 0
[  553.988605][ T7169] usb 1-1: New USB device found, idVendor=061d, idProduct=c150, bcdDevice=ce.6f
[  553.997739][ T7169] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  554.005826][ T7169] usb 1-1: Product: syz
[  554.009982][ T7169] usb 1-1: Manufacturer: syz
[  554.014620][ T7169] usb 1-1: SerialNumber: syz
[  554.020576][ T7169] usb 1-1: config 0 descriptor??
[  554.027501][ T7169] quatech2 1-1:0.51: Quatech 2nd gen USB to Serial Driver converter detected
[  554.228787][ T7169] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB0
[  554.240008][ T7169] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB1
[  554.428096][    C0] quatech-serial ttyUSB0: qt2_process_read_urb - port change to invalid port: 2
executing program
[  554.628731][    C0] usb 1-1: qt2_read_bulk_callback - non-zero urb status: -71
[  554.631494][ T6757] usb 1-1: USB disconnect, device number 42
[  554.649125][ T6757] quatech-serial ttyUSB0: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB0
[  554.662865][ T6757] quatech-serial ttyUSB1: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB1
[  554.675074][ T6757] quatech2 1-1:0.51: device disconnected
[  554.964371][ T6757] usb 1-1: new high-speed USB device number 43 using dummy_hcd
[  555.114365][ T6757] usb 1-1: Using ep0 maxpacket: 32
[  555.121061][ T6757] usb 1-1: config 0 has an invalid interface number: 51 but max is 0
[  555.129303][ T6757] usb 1-1: config 0 has no interface number 0
[  555.137741][ T6757] usb 1-1: New USB device found, idVendor=061d, idProduct=c150, bcdDevice=ce.6f
[  555.146917][ T6757] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  555.154940][ T6757] usb 1-1: Product: syz
[  555.159208][ T6757] usb 1-1: Manufacturer: syz
[  555.163808][ T6757] usb 1-1: SerialNumber: syz
[  555.169862][ T6757] usb 1-1: config 0 descriptor??
[  555.177120][ T6757] quatech2 1-1:0.51: Quatech 2nd gen USB to Serial Driver converter detected
[  555.378550][ T6757] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB0
[  555.389690][ T6757] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB1
[  555.576983][    C1] quatech-serial ttyUSB0: qt2_process_read_urb - port change to invalid port: 2
executing program
[  555.777559][    C1] usb 1-1: qt2_read_bulk_callback - non-zero urb status: -71
[  555.783455][ T7169] usb 1-1: USB disconnect, device number 43
[  555.797524][ T7169] quatech-serial ttyUSB0: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB0
[  555.811708][ T7169] quatech-serial ttyUSB1: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB1
[  555.823399][ T7169] quatech2 1-1:0.51: device disconnected
[  556.114384][ T7169] usb 1-1: new high-speed USB device number 44 using dummy_hcd
[  556.264332][ T7169] usb 1-1: Using ep0 maxpacket: 32
[  556.271125][ T7169] usb 1-1: config 0 has an invalid interface number: 51 but max is 0
[  556.279425][ T7169] usb 1-1: config 0 has no interface number 0
[  556.288278][ T7169] usb 1-1: New USB device found, idVendor=061d, idProduct=c150, bcdDevice=ce.6f
[  556.297417][ T7169] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  556.305525][ T7169] usb 1-1: Product: syz
[  556.309717][ T7169] usb 1-1: Manufacturer: syz
[  556.314376][ T7169] usb 1-1: SerialNumber: syz
[  556.320574][ T7169] usb 1-1: config 0 descriptor??
[  556.327346][ T7169] quatech2 1-1:0.51: Quatech 2nd gen USB to Serial Driver converter detected
[  556.528734][ T7169] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB0
[  556.540182][ T7169] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB1
[  556.727460][    C0] quatech-serial ttyUSB0: qt2_process_read_urb - port change to invalid port: 2
executing program
[  556.927895][    C0] usb 1-1: qt2_read_bulk_callback - non-zero urb status: -71
[  556.930956][ T6757] usb 1-1: USB disconnect, device number 44
[  556.945357][ T6757] quatech-serial ttyUSB0: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB0
[  556.959054][ T6757] quatech-serial ttyUSB1: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB1
[  556.971142][ T6757] quatech2 1-1:0.51: device disconnected
[  557.264296][ T6757] usb 1-1: new high-speed USB device number 45 using dummy_hcd
[  557.414369][ T6757] usb 1-1: Using ep0 maxpacket: 32
[  557.421144][ T6757] usb 1-1: config 0 has an invalid interface number: 51 but max is 0
[  557.429319][ T6757] usb 1-1: config 0 has no interface number 0
[  557.437529][ T6757] usb 1-1: New USB device found, idVendor=061d, idProduct=c150, bcdDevice=ce.6f
[  557.446657][ T6757] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  557.454708][ T6757] usb 1-1: Product: syz
[  557.458876][ T6757] usb 1-1: Manufacturer: syz
[  557.463486][ T6757] usb 1-1: SerialNumber: syz
[  557.469692][ T6757] usb 1-1: config 0 descriptor??
[  557.476588][ T6757] quatech2 1-1:0.51: Quatech 2nd gen USB to Serial Driver converter detected
[  557.678204][ T6757] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB0
[  557.689521][ T6757] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB1
[  557.877450][    C1] quatech-serial ttyUSB0: qt2_process_read_urb - port change to invalid port: 2
executing program
[  558.077947][    C1] usb 1-1: qt2_read_bulk_callback - non-zero urb status: -71
[  558.081023][ T7169] usb 1-1: USB disconnect, device number 45
[  558.098009][ T7169] quatech-serial ttyUSB0: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB0
[  558.111915][ T7169] quatech-serial ttyUSB1: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB1
[  558.123530][ T7169] quatech2 1-1:0.51: device disconnected
[  558.414345][ T7169] usb 1-1: new high-speed USB device number 46 using dummy_hcd
[  558.564371][ T7169] usb 1-1: Using ep0 maxpacket: 32
[  558.571614][ T7169] usb 1-1: config 0 has an invalid interface number: 51 but max is 0
[  558.580070][ T7169] usb 1-1: config 0 has no interface number 0
[  558.588082][ T7169] usb 1-1: New USB device found, idVendor=061d, idProduct=c150, bcdDevice=ce.6f
[  558.597198][ T7169] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  558.605228][ T7169] usb 1-1: Product: syz
[  558.609377][ T7169] usb 1-1: Manufacturer: syz
[  558.613954][ T7169] usb 1-1: SerialNumber: syz
[  558.620260][ T7169] usb 1-1: config 0 descriptor??
[  558.626964][ T7169] quatech2 1-1:0.51: Quatech 2nd gen USB to Serial Driver converter detected
[  558.828306][ T7169] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB0
[  558.839655][ T7169] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB1
[  559.027236][    C0] quatech-serial ttyUSB0: qt2_process_read_urb - port change to invalid port: 2
executing program
[  559.227782][    C0] usb 1-1: qt2_read_bulk_callback - non-zero urb status: -71
[  559.228050][ T6757] usb 1-1: USB disconnect, device number 46
[  559.244304][ T6757] quatech-serial ttyUSB0: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB0
[  559.257825][ T6757] quatech-serial ttyUSB1: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB1
[  559.269730][ T6757] quatech2 1-1:0.51: device disconnected
[  559.564342][ T6757] usb 1-1: new high-speed USB device number 47 using dummy_hcd
[  559.714319][ T6757] usb 1-1: Using ep0 maxpacket: 32
[  559.721222][ T6757] usb 1-1: config 0 has an invalid interface number: 51 but max is 0
[  559.729558][ T6757] usb 1-1: config 0 has no interface number 0
[  559.737545][ T6757] usb 1-1: New USB device found, idVendor=061d, idProduct=c150, bcdDevice=ce.6f
[  559.746696][ T6757] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  559.757062][ T6757] usb 1-1: Product: syz
[  559.761849][ T6757] usb 1-1: Manufacturer: syz
[  559.766522][ T6757] usb 1-1: SerialNumber: syz
[  559.772487][ T6757] usb 1-1: config 0 descriptor??
[  559.780072][ T6757] quatech2 1-1:0.51: Quatech 2nd gen USB to Serial Driver converter detected
[  559.981161][ T6757] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB0
[  559.992448][ T6757] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB1
[  560.179903][    C1] quatech-serial ttyUSB0: qt2_process_read_urb - port change to invalid port: 2
executing program
[  560.389709][    C1] usb 1-1: qt2_read_bulk_callback - non-zero urb status: -71
[  560.403263][ T6757] usb 1-1: USB disconnect, device number 47
[  560.411536][ T6757] quatech-serial ttyUSB0: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB0
[  560.425529][ T6757] quatech-serial ttyUSB1: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB1
[  560.437931][ T6757] quatech2 1-1:0.51: device disconnected
[  560.734360][ T6757] usb 1-1: new high-speed USB device number 48 using dummy_hcd
[  560.884340][ T6757] usb 1-1: Using ep0 maxpacket: 32
[  560.891438][ T6757] usb 1-1: config 0 has an invalid interface number: 51 but max is 0
[  560.899636][ T6757] usb 1-1: config 0 has no interface number 0
[  560.907602][ T6757] usb 1-1: New USB device found, idVendor=061d, idProduct=c150, bcdDevice=ce.6f
[  560.916765][ T6757] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  560.924998][ T6757] usb 1-1: Product: syz
[  560.929170][ T6757] usb 1-1: Manufacturer: syz
[  560.933834][ T6757] usb 1-1: SerialNumber: syz
[  560.939855][ T6757] usb 1-1: config 0 descriptor??
[  560.947160][ T6757] quatech2 1-1:0.51: Quatech 2nd gen USB to Serial Driver converter detected
[  561.148335][ T6757] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB0
[  561.159644][ T6757] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB1
[  561.347191][    C1] quatech-serial ttyUSB0: qt2_process_read_urb - port change to invalid port: 2
executing program
[  561.547745][    C1] usb 1-1: qt2_read_bulk_callback - non-zero urb status: -71
[  561.550431][ T7169] usb 1-1: USB disconnect, device number 48
[  561.567634][ T7169] quatech-serial ttyUSB0: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB0
[  561.581789][ T7169] quatech-serial ttyUSB1: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB1
[  561.593762][ T7169] quatech2 1-1:0.51: device disconnected
[  561.884438][ T7169] usb 1-1: new high-speed USB device number 49 using dummy_hcd
[  562.034294][ T7169] usb 1-1: Using ep0 maxpacket: 32
[  562.040917][ T7169] usb 1-1: config 0 has an invalid interface number: 51 but max is 0
[  562.049107][ T7169] usb 1-1: config 0 has no interface number 0
[  562.057151][ T7169] usb 1-1: New USB device found, idVendor=061d, idProduct=c150, bcdDevice=ce.6f
[  562.066773][ T7169] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  562.074801][ T7169] usb 1-1: Product: syz
[  562.078952][ T7169] usb 1-1: Manufacturer: syz
[  562.083546][ T7169] usb 1-1: SerialNumber: syz
[  562.089778][ T7169] usb 1-1: config 0 descriptor??
[  562.096482][ T7169] quatech2 1-1:0.51: Quatech 2nd gen USB to Serial Driver converter detected
[  562.297855][ T7169] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB0
[  562.309057][ T7169] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB1
[  562.497441][    C0] quatech-serial ttyUSB0: qt2_process_read_urb - port change to invalid port: 2
executing program
[  562.698051][    C0] usb 1-1: qt2_read_bulk_callback - non-zero urb status: -71
[  562.700743][ T6757] usb 1-1: USB disconnect, device number 49
[  562.718260][ T6757] quatech-serial ttyUSB0: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB0
[  562.732205][ T6757] quatech-serial ttyUSB1: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB1
[  562.744283][ T6757] quatech2 1-1:0.51: device disconnected
[  563.034337][ T6757] usb 1-1: new high-speed USB device number 50 using dummy_hcd
[  563.184323][ T6757] usb 1-1: Using ep0 maxpacket: 32
[  563.191577][ T6757] usb 1-1: config 0 has an invalid interface number: 51 but max is 0
[  563.199805][ T6757] usb 1-1: config 0 has no interface number 0
[  563.207717][ T6757] usb 1-1: New USB device found, idVendor=061d, idProduct=c150, bcdDevice=ce.6f
[  563.216890][ T6757] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  563.225079][ T6757] usb 1-1: Product: syz
[  563.229264][ T6757] usb 1-1: Manufacturer: syz
[  563.234038][ T6757] usb 1-1: SerialNumber: syz
[  563.240100][ T6757] usb 1-1: config 0 descriptor??
[  563.247277][ T6757] quatech2 1-1:0.51: Quatech 2nd gen USB to Serial Driver converter detected
[  563.257212][ T1294] ieee802154 phy0 wpan0: encryption failed: -22
[  563.263624][ T1294] ieee802154 phy1 wpan1: encryption failed: -22
[  563.448568][ T6757] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB0
[  563.459866][ T6757] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB1
[  563.647516][    C1] quatech-serial ttyUSB0: qt2_process_read_urb - port change to invalid port: 2
executing program
[  563.848142][    C1] usb 1-1: qt2_read_bulk_callback - non-zero urb status: -71
[  563.850894][ T7169] usb 1-1: USB disconnect, device number 50
[  563.869318][ T7169] quatech-serial ttyUSB0: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB0
[  563.883158][ T7169] quatech-serial ttyUSB1: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB1
[  563.898413][ T7169] quatech2 1-1:0.51: device disconnected
[  564.194392][ T7169] usb 1-1: new high-speed USB device number 51 using dummy_hcd
[  564.344313][ T7169] usb 1-1: Using ep0 maxpacket: 32
[  564.351602][ T7169] usb 1-1: config 0 has an invalid interface number: 51 but max is 0
[  564.360045][ T7169] usb 1-1: config 0 has no interface number 0
[  564.368001][ T7169] usb 1-1: New USB device found, idVendor=061d, idProduct=c150, bcdDevice=ce.6f
[  564.377150][ T7169] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  564.385211][ T7169] usb 1-1: Product: syz
[  564.389381][ T7169] usb 1-1: Manufacturer: syz
[  564.393971][ T7169] usb 1-1: SerialNumber: syz
[  564.400316][ T7169] usb 1-1: config 0 descriptor??
[  564.407174][ T7169] quatech2 1-1:0.51: Quatech 2nd gen USB to Serial Driver converter detected
[  564.608485][ T7169] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB0
[  564.620020][ T7169] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB1
[  564.808003][    C0] quatech-serial ttyUSB0: qt2_process_read_urb - port change to invalid port: 2
executing program
[  565.008740][    C0] usb 1-1: qt2_read_bulk_callback - non-zero urb status: -71
[  565.012052][ T6757] usb 1-1: USB disconnect, device number 51
[  565.026460][ T6757] quatech-serial ttyUSB0: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB0
[  565.040620][ T6757] quatech-serial ttyUSB1: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB1
[  565.052993][ T6757] quatech2 1-1:0.51: device disconnected
[  565.344399][ T6757] usb 1-1: new high-speed USB device number 52 using dummy_hcd
[  565.494362][ T6757] usb 1-1: Using ep0 maxpacket: 32
[  565.501059][ T6757] usb 1-1: config 0 has an invalid interface number: 51 but max is 0
[  565.509295][ T6757] usb 1-1: config 0 has no interface number 0
[  565.517371][ T6757] usb 1-1: New USB device found, idVendor=061d, idProduct=c150, bcdDevice=ce.6f
[  565.526614][ T6757] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  565.534760][ T6757] usb 1-1: Product: syz
[  565.538940][ T6757] usb 1-1: Manufacturer: syz
[  565.543593][ T6757] usb 1-1: SerialNumber: syz
[  565.549746][ T6757] usb 1-1: config 0 descriptor??
[  565.556907][ T6757] quatech2 1-1:0.51: Quatech 2nd gen USB to Serial Driver converter detected
[  565.758714][ T6757] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB0
[  565.770454][ T6757] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB1
[  565.957330][    C1] quatech-serial ttyUSB0: qt2_process_read_urb - port change to invalid port: 2
executing program
[  566.157809][    C1] usb 1-1: qt2_read_bulk_callback - non-zero urb status: -71
[  566.158168][ T7169] usb 1-1: USB disconnect, device number 52
[  566.176571][ T7169] quatech-serial ttyUSB0: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB0
[  566.193073][ T7169] quatech-serial ttyUSB1: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB1
[  566.205597][ T7169] quatech2 1-1:0.51: device disconnected
[  566.494366][ T7169] usb 1-1: new high-speed USB device number 53 using dummy_hcd
[  566.644309][ T7169] usb 1-1: Using ep0 maxpacket: 32
[  566.651019][ T7169] usb 1-1: config 0 has an invalid interface number: 51 but max is 0
[  566.659296][ T7169] usb 1-1: config 0 has no interface number 0
[  566.667447][ T7169] usb 1-1: New USB device found, idVendor=061d, idProduct=c150, bcdDevice=ce.6f
[  566.676586][ T7169] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  566.684853][ T7169] usb 1-1: Product: syz
[  566.689029][ T7169] usb 1-1: Manufacturer: syz
[  566.693729][ T7169] usb 1-1: SerialNumber: syz
[  566.699785][ T7169] usb 1-1: config 0 descriptor??
[  566.706979][ T7169] quatech2 1-1:0.51: Quatech 2nd gen USB to Serial Driver converter detected
[  566.908378][ T7169] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB0
[  566.919689][ T7169] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB1
[  567.107350][    C0] quatech-serial ttyUSB0: qt2_process_read_urb - port change to invalid port: 2
executing program
[  567.307960][    C0] usb 1-1: qt2_read_bulk_callback - non-zero urb status: -71
[  567.310595][ T6757] usb 1-1: USB disconnect, device number 53
[  567.329984][ T6757] quatech-serial ttyUSB0: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB0
[  567.343769][ T6757] quatech-serial ttyUSB1: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB1
[  567.355604][ T6757] quatech2 1-1:0.51: device disconnected
[  567.644485][ T6757] usb 1-1: new high-speed USB device number 54 using dummy_hcd
[  567.794386][ T6757] usb 1-1: Using ep0 maxpacket: 32
[  567.801383][ T6757] usb 1-1: config 0 has an invalid interface number: 51 but max is 0
[  567.809836][ T6757] usb 1-1: config 0 has no interface number 0
[  567.817744][ T6757] usb 1-1: New USB device found, idVendor=061d, idProduct=c150, bcdDevice=ce.6f
[  567.826930][ T6757] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  567.834970][ T6757] usb 1-1: Product: syz
[  567.839224][ T6757] usb 1-1: Manufacturer: syz
[  567.843846][ T6757] usb 1-1: SerialNumber: syz
[  567.850203][ T6757] usb 1-1: config 0 descriptor??
[  567.857056][ T6757] quatech2 1-1:0.51: Quatech 2nd gen USB to Serial Driver converter detected
[  568.058068][ T6757] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB0
[  568.069482][ T6757] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB1
[  568.257011][    C1] quatech-serial ttyUSB0: qt2_process_read_urb - port change to invalid port: 2
executing program
[  568.466806][    C1] usb 1-1: qt2_read_bulk_callback - non-zero urb status: -71
[  568.479542][ T6757] usb 1-1: USB disconnect, device number 54
[  568.499841][ T6757] quatech-serial ttyUSB0: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB0
[  568.523959][ T6757] quatech-serial ttyUSB1: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB1
[  568.541694][ T6757] quatech2 1-1:0.51: device disconnected
[  568.844669][ T6757] usb 1-1: new high-speed USB device number 55 using dummy_hcd
[  568.994306][ T6757] usb 1-1: Using ep0 maxpacket: 32
[  569.001095][ T6757] usb 1-1: config 0 has an invalid interface number: 51 but max is 0
[  569.009311][ T6757] usb 1-1: config 0 has no interface number 0
[  569.017463][ T6757] usb 1-1: New USB device found, idVendor=061d, idProduct=c150, bcdDevice=ce.6f
[  569.026600][ T6757] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  569.034632][ T6757] usb 1-1: Product: syz
[  569.038792][ T6757] usb 1-1: Manufacturer: syz
[  569.043406][ T6757] usb 1-1: SerialNumber: syz
[  569.049668][ T6757] usb 1-1: config 0 descriptor??
[  569.056310][ T6757] quatech2 1-1:0.51: Quatech 2nd gen USB to Serial Driver converter detected
[  569.257636][ T6757] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB0
[  569.268873][ T6757] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB1
[  569.456825][    C1] quatech-serial ttyUSB0: qt2_process_read_urb - port change to invalid port: 2
executing program
[  569.657285][    C1] usb 1-1: qt2_read_bulk_callback - non-zero urb status: -71
[  569.658289][ T7169] usb 1-1: USB disconnect, device number 55
[  569.676058][ T7169] quatech-serial ttyUSB0: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB0
[  569.690321][ T7169] quatech-serial ttyUSB1: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB1
[  569.702902][ T7169] quatech2 1-1:0.51: device disconnected
[  569.994832][ T7169] usb 1-1: new high-speed USB device number 56 using dummy_hcd
[  570.154385][ T7169] usb 1-1: Using ep0 maxpacket: 32
[  570.161153][ T7169] usb 1-1: config 0 has an invalid interface number: 51 but max is 0
[  570.169376][ T7169] usb 1-1: config 0 has no interface number 0
[  570.177335][ T7169] usb 1-1: New USB device found, idVendor=061d, idProduct=c150, bcdDevice=ce.6f
[  570.186453][ T7169] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  570.194529][ T7169] usb 1-1: Product: syz
[  570.198688][ T7169] usb 1-1: Manufacturer: syz
[  570.203275][ T7169] usb 1-1: SerialNumber: syz
[  570.209505][ T7169] usb 1-1: config 0 descriptor??
[  570.216836][ T7169] quatech2 1-1:0.51: Quatech 2nd gen USB to Serial Driver converter detected
[  570.418041][ T7169] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB0
[  570.429270][ T7169] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB1
[  570.617535][    C0] quatech-serial ttyUSB0: qt2_process_read_urb - port change to invalid port: 2
executing program
[  570.818067][    C0] usb 1-1: qt2_read_bulk_callback - non-zero urb status: -71
[  570.818322][ T6757] usb 1-1: USB disconnect, device number 56
[  570.842281][ T6757] quatech-serial ttyUSB0: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB0
[  570.856464][ T6757] quatech-serial ttyUSB1: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB1
[  570.868284][ T6757] quatech2 1-1:0.51: device disconnected
[  571.164402][ T6757] usb 1-1: new high-speed USB device number 57 using dummy_hcd
[  571.314315][ T6757] usb 1-1: Using ep0 maxpacket: 32
[  571.321095][ T6757] usb 1-1: config 0 has an invalid interface number: 51 but max is 0
[  571.329321][ T6757] usb 1-1: config 0 has no interface number 0
[  571.337215][ T6757] usb 1-1: New USB device found, idVendor=061d, idProduct=c150, bcdDevice=ce.6f
[  571.346367][ T6757] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  571.354434][ T6757] usb 1-1: Product: syz
[  571.358598][ T6757] usb 1-1: Manufacturer: syz
[  571.363215][ T6757] usb 1-1: SerialNumber: syz
[  571.369463][ T6757] usb 1-1: config 0 descriptor??
[  571.376322][ T6757] quatech2 1-1:0.51: Quatech 2nd gen USB to Serial Driver converter detected
[  571.577418][ T6757] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB0
[  571.589116][ T6757] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB1
[  571.776434][    C1] quatech-serial ttyUSB0: qt2_process_read_urb - port change to invalid port: 2
executing program
[  571.976958][    C1] usb 1-1: qt2_read_bulk_callback - non-zero urb status: -71
[  571.979635][ T7169] usb 1-1: USB disconnect, device number 57
[  571.997347][ T7169] quatech-serial ttyUSB0: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB0
[  572.011300][ T7169] quatech-serial ttyUSB1: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB1
[  572.023434][ T7169] quatech2 1-1:0.51: device disconnected
[  572.324384][ T7169] usb 1-1: new high-speed USB device number 58 using dummy_hcd
[  572.474356][ T7169] usb 1-1: Using ep0 maxpacket: 32
[  572.480954][ T7169] usb 1-1: config 0 has an invalid interface number: 51 but max is 0
[  572.489104][ T7169] usb 1-1: config 0 has no interface number 0
[  572.497060][ T7169] usb 1-1: New USB device found, idVendor=061d, idProduct=c150, bcdDevice=ce.6f
[  572.506174][ T7169] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  572.514241][ T7169] usb 1-1: Product: syz
[  572.518388][ T7169] usb 1-1: Manufacturer: syz
[  572.522962][ T7169] usb 1-1: SerialNumber: syz
[  572.529220][ T7169] usb 1-1: config 0 descriptor??
[  572.536131][ T7169] quatech2 1-1:0.51: Quatech 2nd gen USB to Serial Driver converter detected
[  572.738103][ T7169] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB0
[  572.749327][ T7169] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB1
[  572.937333][    C0] quatech-serial ttyUSB0: qt2_process_read_urb - port change to invalid port: 2
executing program
[  573.137823][    C0] usb 1-1: qt2_read_bulk_callback - non-zero urb status: -71
[  573.138227][ T6757] usb 1-1: USB disconnect, device number 58
[  573.154075][ T6757] quatech-serial ttyUSB0: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB0
[  573.168096][ T6757] quatech-serial ttyUSB1: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB1
[  573.179948][ T6757] quatech2 1-1:0.51: device disconnected
[  573.474351][ T6757] usb 1-1: new high-speed USB device number 59 using dummy_hcd
[  573.624343][ T6757] usb 1-1: Using ep0 maxpacket: 32
[  573.630866][ T6757] usb 1-1: config 0 has an invalid interface number: 51 but max is 0
[  573.639048][ T6757] usb 1-1: config 0 has no interface number 0
[  573.647086][ T6757] usb 1-1: New USB device found, idVendor=061d, idProduct=c150, bcdDevice=ce.6f
[  573.656216][ T6757] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  573.664298][ T6757] usb 1-1: Product: syz
[  573.668478][ T6757] usb 1-1: Manufacturer: syz
[  573.673083][ T6757] usb 1-1: SerialNumber: syz
[  573.679767][ T6757] usb 1-1: config 0 descriptor??
[  573.686575][ T6757] quatech2 1-1:0.51: Quatech 2nd gen USB to Serial Driver converter detected
[  573.887573][ T6757] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB0
[  573.898683][ T6757] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB1
[  574.086535][    C1] quatech-serial ttyUSB0: qt2_process_read_urb - port change to invalid port: 2
executing program
[  574.296372][    C1] usb 1-1: qt2_read_bulk_callback - non-zero urb status: -71
[  574.304324][ T6757] usb 1-1: USB disconnect, device number 59
[  574.314332][ T6757] quatech-serial ttyUSB0: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB0
[  574.328018][ T6757] quatech-serial ttyUSB1: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB1
[  574.339629][ T6757] quatech2 1-1:0.51: device disconnected
[  574.634331][ T6757] usb 1-1: new high-speed USB device number 60 using dummy_hcd
[  574.794322][ T6757] usb 1-1: Using ep0 maxpacket: 32
[  574.800816][ T6757] usb 1-1: config 0 has an invalid interface number: 51 but max is 0
[  574.808971][ T6757] usb 1-1: config 0 has no interface number 0
[  574.817416][ T6757] usb 1-1: New USB device found, idVendor=061d, idProduct=c150, bcdDevice=ce.6f
[  574.826542][ T6757] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  574.834645][ T6757] usb 1-1: Product: syz
[  574.838815][ T6757] usb 1-1: Manufacturer: syz
[  574.843652][ T6757] usb 1-1: SerialNumber: syz
[  574.849921][ T6757] usb 1-1: config 0 descriptor??
[  574.856598][ T6757] quatech2 1-1:0.51: Quatech 2nd gen USB to Serial Driver converter detected
[  575.057768][ T6757] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB0
[  575.068995][ T6757] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB1
[  575.256722][    C1] quatech-serial ttyUSB0: qt2_process_read_urb - port change to invalid port: 2
executing program
[  575.457222][    C1] usb 1-1: qt2_read_bulk_callback - non-zero urb status: -71
[  575.460800][ T7169] usb 1-1: USB disconnect, device number 60
[  575.475948][ T7169] quatech-serial ttyUSB0: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB0
[  575.489694][ T7169] quatech-serial ttyUSB1: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB1
[  575.501590][ T7169] quatech2 1-1:0.51: device disconnected
[  575.794341][ T7169] usb 1-1: new high-speed USB device number 61 using dummy_hcd
[  575.954388][ T7169] usb 1-1: Using ep0 maxpacket: 32
[  575.961195][ T7169] usb 1-1: config 0 has an invalid interface number: 51 but max is 0
[  575.969395][ T7169] usb 1-1: config 0 has no interface number 0
[  575.977888][ T7169] usb 1-1: New USB device found, idVendor=061d, idProduct=c150, bcdDevice=ce.6f
[  575.987355][ T7169] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  575.995561][ T7169] usb 1-1: Product: syz
[  575.999751][ T7169] usb 1-1: Manufacturer: syz
[  576.004726][ T7169] usb 1-1: SerialNumber: syz
[  576.010817][ T7169] usb 1-1: config 0 descriptor??
[  576.017547][ T7169] quatech2 1-1:0.51: Quatech 2nd gen USB to Serial Driver converter detected
[  576.219339][ T7169] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB0
[  576.230888][ T7169] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB1
[  576.418829][    C0] quatech-serial ttyUSB0: qt2_process_read_urb - port change to invalid port: 2
executing program
[  576.619398][    C0] usb 1-1: qt2_read_bulk_callback - non-zero urb status: -71
[  576.622454][ T6757] usb 1-1: USB disconnect, device number 61
[  576.640312][ T6757] quatech-serial ttyUSB0: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB0
[  576.654708][ T6757] quatech-serial ttyUSB1: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB1
[  576.667010][ T6757] quatech2 1-1:0.51: device disconnected
[  576.964448][ T6757] usb 1-1: new high-speed USB device number 62 using dummy_hcd
[  577.114296][ T6757] usb 1-1: Using ep0 maxpacket: 32
[  577.121079][ T6757] usb 1-1: config 0 has an invalid interface number: 51 but max is 0
[  577.129345][ T6757] usb 1-1: config 0 has no interface number 0
[  577.137694][ T6757] usb 1-1: New USB device found, idVendor=061d, idProduct=c150, bcdDevice=ce.6f
[  577.146846][ T6757] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  577.154878][ T6757] usb 1-1: Product: syz
[  577.159049][ T6757] usb 1-1: Manufacturer: syz
[  577.163664][ T6757] usb 1-1: SerialNumber: syz
[  577.169989][ T6757] usb 1-1: config 0 descriptor??
[  577.176883][ T6757] quatech2 1-1:0.51: Quatech 2nd gen USB to Serial Driver converter detected
[  577.378282][ T6757] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB0
[  577.389645][ T6757] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB1
[  577.577154][    C1] quatech-serial ttyUSB0: qt2_process_read_urb - port change to invalid port: 2
executing program
[  577.777754][    C1] usb 1-1: qt2_read_bulk_callback - non-zero urb status: -71
[  577.778092][ T7169] usb 1-1: USB disconnect, device number 62
[  577.796498][ T7169] quatech-serial ttyUSB0: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB0
[  577.811634][ T7169] quatech-serial ttyUSB1: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB1
[  577.823807][ T7169] quatech2 1-1:0.51: device disconnected
[  578.114337][ T7169] usb 1-1: new high-speed USB device number 63 using dummy_hcd
[  578.264381][ T7169] usb 1-1: Using ep0 maxpacket: 32
[  578.271169][ T7169] usb 1-1: config 0 has an invalid interface number: 51 but max is 0
[  578.279397][ T7169] usb 1-1: config 0 has no interface number 0
[  578.288236][ T7169] usb 1-1: New USB device found, idVendor=061d, idProduct=c150, bcdDevice=ce.6f
[  578.297511][ T7169] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  578.305751][ T7169] usb 1-1: Product: syz
[  578.309903][ T7169] usb 1-1: Manufacturer: syz
[  578.314578][ T7169] usb 1-1: SerialNumber: syz
[  578.320595][ T7169] usb 1-1: config 0 descriptor??
[  578.327517][ T7169] quatech2 1-1:0.51: Quatech 2nd gen USB to Serial Driver converter detected
[  578.528736][ T7169] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB0
[  578.540292][ T7169] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB1
[  578.727465][    C0] quatech-serial ttyUSB0: qt2_process_read_urb - port change to invalid port: 2
executing program
[  578.937419][    C0] usb 1-1: qt2_read_bulk_callback - non-zero urb status: -71
[  578.945337][ T7169] usb 1-1: USB disconnect, device number 63
[  578.955510][ T7169] quatech-serial ttyUSB0: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB0
[  578.972788][ T7169] quatech-serial ttyUSB1: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB1
[  578.984753][ T7169] quatech2 1-1:0.51: device disconnected
[  579.274492][ T7169] usb 1-1: new high-speed USB device number 64 using dummy_hcd
[  579.434392][ T7169] usb 1-1: Using ep0 maxpacket: 32
[  579.441364][ T7169] usb 1-1: config 0 has an invalid interface number: 51 but max is 0
[  579.449673][ T7169] usb 1-1: config 0 has no interface number 0
[  579.457798][ T7169] usb 1-1: New USB device found, idVendor=061d, idProduct=c150, bcdDevice=ce.6f
[  579.466905][ T7169] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  579.474945][ T7169] usb 1-1: Product: syz
[  579.479097][ T7169] usb 1-1: Manufacturer: syz
[  579.483691][ T7169] usb 1-1: SerialNumber: syz
[  579.490004][ T7169] usb 1-1: config 0 descriptor??
[  579.496663][ T7169] quatech2 1-1:0.51: Quatech 2nd gen USB to Serial Driver converter detected
[  579.698393][ T7169] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB0
[  579.709625][ T7169] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB1
[  579.897362][    C0] quatech-serial ttyUSB0: qt2_process_read_urb - port change to invalid port: 2
executing program
[  580.097810][    C0] usb 1-1: qt2_read_bulk_callback - non-zero urb status: -71
[  580.098168][ T6757] usb 1-1: USB disconnect, device number 64
[  580.120738][ T6757] quatech-serial ttyUSB0: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB0
[  580.135407][ T6757] quatech-serial ttyUSB1: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB1
[  580.147093][ T6757] quatech2 1-1:0.51: device disconnected
[  580.464424][ T6757] usb 1-1: new high-speed USB device number 65 using dummy_hcd
[  580.614364][ T6757] usb 1-1: Using ep0 maxpacket: 32
[  580.621083][ T6757] usb 1-1: config 0 has an invalid interface number: 51 but max is 0
[  580.629268][ T6757] usb 1-1: config 0 has no interface number 0
[  580.637654][ T6757] usb 1-1: New USB device found, idVendor=061d, idProduct=c150, bcdDevice=ce.6f
[  580.646788][ T6757] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  580.654873][ T6757] usb 1-1: Product: syz
[  580.659049][ T6757] usb 1-1: Manufacturer: syz
[  580.663648][ T6757] usb 1-1: SerialNumber: syz
[  580.670240][ T6757] usb 1-1: config 0 descriptor??
[  580.677719][ T6757] quatech2 1-1:0.51: Quatech 2nd gen USB to Serial Driver converter detected
[  580.878955][ T6757] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB0
[  580.890469][ T6757] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB1
[  581.078369][    C1] quatech-serial ttyUSB0: qt2_process_read_urb - port change to invalid port: 2
executing program
[  581.279205][    C1] usb 1-1: qt2_read_bulk_callback - non-zero urb status: -71
[  581.282119][ T7169] usb 1-1: USB disconnect, device number 65
[  581.300304][ T7169] quatech-serial ttyUSB0: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB0
[  581.314726][ T7169] quatech-serial ttyUSB1: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB1
[  581.327350][ T7169] quatech2 1-1:0.51: device disconnected
[  581.624702][ T7169] usb 1-1: new high-speed USB device number 66 using dummy_hcd
[  581.774330][ T7169] usb 1-1: Using ep0 maxpacket: 32
[  581.781136][ T7169] usb 1-1: config 0 has an invalid interface number: 51 but max is 0
[  581.789352][ T7169] usb 1-1: config 0 has no interface number 0
[  581.797300][ T7169] usb 1-1: New USB device found, idVendor=061d, idProduct=c150, bcdDevice=ce.6f
[  581.806554][ T7169] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  581.814665][ T7169] usb 1-1: Product: syz
[  581.818845][ T7169] usb 1-1: Manufacturer: syz
[  581.823427][ T7169] usb 1-1: SerialNumber: syz
[  581.829832][ T7169] usb 1-1: config 0 descriptor??
[  581.836631][ T7169] quatech2 1-1:0.51: Quatech 2nd gen USB to Serial Driver converter detected
[  582.037757][ T7169] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB0
[  582.049063][ T7169] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB1
[  582.236859][    C0] quatech-serial ttyUSB0: qt2_process_read_urb - port change to invalid port: 2
executing program
[  582.446792][    C0] usb 1-1: qt2_read_bulk_callback - non-zero urb status: -71
[  582.456414][ T7169] usb 1-1: USB disconnect, device number 66
[  582.466755][ T7169] quatech-serial ttyUSB0: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB0
[  582.480435][ T7169] quatech-serial ttyUSB1: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB1
[  582.492436][ T7169] quatech2 1-1:0.51: device disconnected
[  582.794464][ T7169] usb 1-1: new high-speed USB device number 67 using dummy_hcd
[  582.944394][ T7169] usb 1-1: Using ep0 maxpacket: 32
[  582.951204][ T7169] usb 1-1: config 0 has an invalid interface number: 51 but max is 0
[  582.959487][ T7169] usb 1-1: config 0 has no interface number 0
[  582.967405][ T7169] usb 1-1: New USB device found, idVendor=061d, idProduct=c150, bcdDevice=ce.6f
[  582.976634][ T7169] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  582.984667][ T7169] usb 1-1: Product: syz
[  582.988833][ T7169] usb 1-1: Manufacturer: syz
[  582.993497][ T7169] usb 1-1: SerialNumber: syz
[  582.999741][ T7169] usb 1-1: config 0 descriptor??
[  583.006464][ T7169] quatech2 1-1:0.51: Quatech 2nd gen USB to Serial Driver converter detected
[  583.207794][ T7169] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB0
[  583.219415][ T7169] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB1
[  583.406769][    C0] quatech-serial ttyUSB0: qt2_process_read_urb - port change to invalid port: 2
executing program
[  583.607321][    C0] usb 1-1: qt2_read_bulk_callback - non-zero urb status: -71
[  583.609839][ T6757] usb 1-1: USB disconnect, device number 67
[  583.623388][ T6757] quatech-serial ttyUSB0: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB0
[  583.638405][ T6757] quatech-serial ttyUSB1: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB1
[  583.650056][ T6757] quatech2 1-1:0.51: device disconnected
[  583.944327][ T6757] usb 1-1: new high-speed USB device number 68 using dummy_hcd
[  584.094360][ T6757] usb 1-1: Using ep0 maxpacket: 32
[  584.100848][ T6757] usb 1-1: config 0 has an invalid interface number: 51 but max is 0
[  584.109147][ T6757] usb 1-1: config 0 has no interface number 0
[  584.117349][ T6757] usb 1-1: New USB device found, idVendor=061d, idProduct=c150, bcdDevice=ce.6f
[  584.126481][ T6757] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  584.134520][ T6757] usb 1-1: Product: syz
[  584.138697][ T6757] usb 1-1: Manufacturer: syz
[  584.143309][ T6757] usb 1-1: SerialNumber: syz
[  584.149611][ T6757] usb 1-1: config 0 descriptor??
[  584.156640][ T6757] quatech2 1-1:0.51: Quatech 2nd gen USB to Serial Driver converter detected
[  584.357910][ T6757] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB0
[  584.369212][ T6757] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB1
[  584.556755][    C1] quatech-serial ttyUSB0: qt2_process_read_urb - port change to invalid port: 2
executing program
[  584.757375][    C1] usb 1-1: qt2_read_bulk_callback - non-zero urb status: -71
[  584.759945][ T7169] usb 1-1: USB disconnect, device number 68
[  584.778591][ T7169] quatech-serial ttyUSB0: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB0
[  584.792808][ T7169] quatech-serial ttyUSB1: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB1
[  584.804694][ T7169] quatech2 1-1:0.51: device disconnected
[  585.094427][ T7169] usb 1-1: new high-speed USB device number 69 using dummy_hcd
[  585.244424][ T7169] usb 1-1: Using ep0 maxpacket: 32
[  585.251234][ T7169] usb 1-1: config 0 has an invalid interface number: 51 but max is 0
[  585.259532][ T7169] usb 1-1: config 0 has no interface number 0
[  585.267495][ T7169] usb 1-1: New USB device found, idVendor=061d, idProduct=c150, bcdDevice=ce.6f
[  585.276726][ T7169] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  585.284773][ T7169] usb 1-1: Product: syz
[  585.288945][ T7169] usb 1-1: Manufacturer: syz
[  585.293533][ T7169] usb 1-1: SerialNumber: syz
[  585.299758][ T7169] usb 1-1: config 0 descriptor??
[  585.306448][ T7169] quatech2 1-1:0.51: Quatech 2nd gen USB to Serial Driver converter detected
[  585.508065][ T7169] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB0
[  585.519624][ T7169] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB1
[  585.706516][    C0] quatech-serial ttyUSB0: qt2_process_read_urb - port change to invalid port: 2
executing program
[  585.907114][    C0] usb 1-1: qt2_read_bulk_callback - non-zero urb status: -71
[  585.907448][ T6757] usb 1-1: USB disconnect, device number 69
[  585.925320][ T6757] quatech-serial ttyUSB0: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB0
[  585.942707][ T6757] quatech-serial ttyUSB1: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB1
[  585.954624][ T6757] quatech2 1-1:0.51: device disconnected
[  586.244433][ T6757] usb 1-1: new high-speed USB device number 70 using dummy_hcd
[  586.394378][ T6757] usb 1-1: Using ep0 maxpacket: 32
[  586.401127][ T6757] usb 1-1: config 0 has an invalid interface number: 51 but max is 0
[  586.409323][ T6757] usb 1-1: config 0 has no interface number 0
[  586.417480][ T6757] usb 1-1: New USB device found, idVendor=061d, idProduct=c150, bcdDevice=ce.6f
[  586.427541][ T6757] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  586.435642][ T6757] usb 1-1: Product: syz
[  586.439827][ T6757] usb 1-1: Manufacturer: syz
[  586.444495][ T6757] usb 1-1: SerialNumber: syz
[  586.450604][ T6757] usb 1-1: config 0 descriptor??
[  586.457311][ T6757] quatech2 1-1:0.51: Quatech 2nd gen USB to Serial Driver converter detected
[  586.658540][ T6757] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB0
[  586.669744][ T6757] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB1
[  586.857490][    C1] quatech-serial ttyUSB0: qt2_process_read_urb - port change to invalid port: 2
executing program
[  587.057973][    C1] usb 1-1: qt2_read_bulk_callback - non-zero urb status: -71
[  587.060955][ T7169] usb 1-1: USB disconnect, device number 70
[  587.078170][ T7169] quatech-serial ttyUSB0: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB0
[  587.092315][ T7169] quatech-serial ttyUSB1: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB1
[  587.103983][ T7169] quatech2 1-1:0.51: device disconnected
[  587.404336][ T7169] usb 1-1: new high-speed USB device number 71 using dummy_hcd
[  587.554357][ T7169] usb 1-1: Using ep0 maxpacket: 32
[  587.561118][ T7169] usb 1-1: config 0 has an invalid interface number: 51 but max is 0
[  587.569366][ T7169] usb 1-1: config 0 has no interface number 0
[  587.577494][ T7169] usb 1-1: New USB device found, idVendor=061d, idProduct=c150, bcdDevice=ce.6f
[  587.586705][ T7169] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  587.594796][ T7169] usb 1-1: Product: syz
[  587.598958][ T7169] usb 1-1: Manufacturer: syz
[  587.603540][ T7169] usb 1-1: SerialNumber: syz
[  587.609530][ T7169] usb 1-1: config 0 descriptor??
[  587.616493][ T7169] quatech2 1-1:0.51: Quatech 2nd gen USB to Serial Driver converter detected
[  587.817569][ T7169] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB0
[  587.828837][ T7169] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB1
[  588.016642][    C0] quatech-serial ttyUSB0: qt2_process_read_urb - port change to invalid port: 2
executing program
[  588.217271][    C0] usb 1-1: qt2_read_bulk_callback - non-zero urb status: -71
[  588.224292][ T6757] usb 1-1: USB disconnect, device number 71
[  588.236017][ T6757] quatech-serial ttyUSB0: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB0
[  588.250614][ T6757] quatech-serial ttyUSB1: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB1
[  588.263084][ T6757] quatech2 1-1:0.51: device disconnected
[  588.554413][ T6757] usb 1-1: new high-speed USB device number 72 using dummy_hcd
[  588.704301][ T6757] usb 1-1: Using ep0 maxpacket: 32
[  588.710897][ T6757] usb 1-1: config 0 has an invalid interface number: 51 but max is 0
[  588.719177][ T6757] usb 1-1: config 0 has no interface number 0
[  588.727484][ T6757] usb 1-1: New USB device found, idVendor=061d, idProduct=c150, bcdDevice=ce.6f
[  588.736829][ T6757] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  588.744901][ T6757] usb 1-1: Product: syz
[  588.749568][ T6757] usb 1-1: Manufacturer: syz
[  588.754233][ T6757] usb 1-1: SerialNumber: syz
[  588.760005][ T6757] usb 1-1: config 0 descriptor??
[  588.767520][ T6757] quatech2 1-1:0.51: Quatech 2nd gen USB to Serial Driver converter detected
[  588.968270][ T6757] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB0
[  588.979404][ T6757] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB1
[  589.167153][    C1] quatech-serial ttyUSB0: qt2_process_read_urb - port change to invalid port: 2
executing program
[  589.367640][    C1] usb 1-1: qt2_read_bulk_callback - non-zero urb status: -71
[  589.367979][ T7169] usb 1-1: USB disconnect, device number 72
[  589.385298][ T7169] quatech-serial ttyUSB0: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB0
[  589.399015][ T7169] quatech-serial ttyUSB1: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB1
[  589.411546][ T7169] quatech2 1-1:0.51: device disconnected
[  589.714381][ T7169] usb 1-1: new high-speed USB device number 73 using dummy_hcd
[  589.864399][ T7169] usb 1-1: Using ep0 maxpacket: 32
[  589.871216][ T7169] usb 1-1: config 0 has an invalid interface number: 51 but max is 0
[  589.879424][ T7169] usb 1-1: config 0 has no interface number 0
[  589.887483][ T7169] usb 1-1: New USB device found, idVendor=061d, idProduct=c150, bcdDevice=ce.6f
[  589.896611][ T7169] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  589.904748][ T7169] usb 1-1: Product: syz
[  589.908952][ T7169] usb 1-1: Manufacturer: syz
[  589.913566][ T7169] usb 1-1: SerialNumber: syz
[  589.920197][ T7169] usb 1-1: config 0 descriptor??
[  589.927383][ T7169] quatech2 1-1:0.51: Quatech 2nd gen USB to Serial Driver converter detected
[  590.129033][ T7169] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB0
[  590.141146][ T7169] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB1
[  590.327755][    C0] quatech-serial ttyUSB0: qt2_process_read_urb - port change to invalid port: 2
executing program
[  590.528310][    C0] usb 1-1: qt2_read_bulk_callback - non-zero urb status: -71
[  590.531246][ T6757] usb 1-1: USB disconnect, device number 73
[  590.549861][ T6757] quatech-serial ttyUSB0: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB0
[  590.563963][ T6757] quatech-serial ttyUSB1: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB1
[  590.577786][ T6757] quatech2 1-1:0.51: device disconnected
[  590.884401][ T6757] usb 1-1: new high-speed USB device number 74 using dummy_hcd
[  591.034268][ T6757] usb 1-1: Using ep0 maxpacket: 32
[  591.041028][ T6757] usb 1-1: config 0 has an invalid interface number: 51 but max is 0
[  591.049205][ T6757] usb 1-1: config 0 has no interface number 0
[  591.057907][ T6757] usb 1-1: New USB device found, idVendor=061d, idProduct=c150, bcdDevice=ce.6f
[  591.067063][ T6757] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  591.075079][ T6757] usb 1-1: Product: syz
[  591.079240][ T6757] usb 1-1: Manufacturer: syz
[  591.083814][ T6757] usb 1-1: SerialNumber: syz
[  591.090211][ T6757] usb 1-1: config 0 descriptor??
[  591.096905][ T6757] quatech2 1-1:0.51: Quatech 2nd gen USB to Serial Driver converter detected
[  591.298215][ T6757] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB0
[  591.309597][ T6757] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB1
[  591.497104][    C1] quatech-serial ttyUSB0: qt2_process_read_urb - port change to invalid port: 2
executing program
[  591.697683][    C1] usb 1-1: qt2_read_bulk_callback - non-zero urb status: -71
[  591.698004][ T7169] usb 1-1: USB disconnect, device number 74
[  591.715720][ T7169] quatech-serial ttyUSB0: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB0
[  591.730762][ T7169] quatech-serial ttyUSB1: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB1
[  591.742565][ T7169] quatech2 1-1:0.51: device disconnected
[  592.034353][ T7169] usb 1-1: new high-speed USB device number 75 using dummy_hcd
[  592.194363][ T7169] usb 1-1: Using ep0 maxpacket: 32
[  592.200954][ T7169] usb 1-1: config 0 has an invalid interface number: 51 but max is 0
[  592.209386][ T7169] usb 1-1: config 0 has no interface number 0
[  592.217358][ T7169] usb 1-1: New USB device found, idVendor=061d, idProduct=c150, bcdDevice=ce.6f
[  592.226485][ T7169] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  592.234567][ T7169] usb 1-1: Product: syz
[  592.238737][ T7169] usb 1-1: Manufacturer: syz
[  592.243415][ T7169] usb 1-1: SerialNumber: syz
[  592.249937][ T7169] usb 1-1: config 0 descriptor??
[  592.256600][ T7169] quatech2 1-1:0.51: Quatech 2nd gen USB to Serial Driver converter detected
[  592.457778][ T7169] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB0
[  592.469346][ T7169] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB1
[  592.656690][    C0] quatech-serial ttyUSB0: qt2_process_read_urb - port change to invalid port: 2
executing program
[  592.857264][    C0] usb 1-1: qt2_read_bulk_callback - non-zero urb status: -71
[  592.864301][ T6757] usb 1-1: USB disconnect, device number 75
[  592.873507][ T6757] quatech-serial ttyUSB0: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB0
[  592.887670][ T6757] quatech-serial ttyUSB1: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB1
[  592.900045][ T6757] quatech2 1-1:0.51: device disconnected
[  593.194406][ T6757] usb 1-1: new high-speed USB device number 76 using dummy_hcd
[  593.344358][ T6757] usb 1-1: Using ep0 maxpacket: 32
[  593.351188][ T6757] usb 1-1: config 0 has an invalid interface number: 51 but max is 0
[  593.359461][ T6757] usb 1-1: config 0 has no interface number 0
[  593.367703][ T6757] usb 1-1: New USB device found, idVendor=061d, idProduct=c150, bcdDevice=ce.6f
[  593.376803][ T6757] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  593.384923][ T6757] usb 1-1: Product: syz
[  593.389092][ T6757] usb 1-1: Manufacturer: syz
[  593.393678][ T6757] usb 1-1: SerialNumber: syz
[  593.399631][ T6757] usb 1-1: config 0 descriptor??
[  593.406477][ T6757] quatech2 1-1:0.51: Quatech 2nd gen USB to Serial Driver converter detected
[  593.608222][ T6757] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB0
[  593.619348][ T6757] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB1
[  593.806709][    C1] quatech-serial ttyUSB0: qt2_process_read_urb - port change to invalid port: 2
executing program
[  594.007169][    C1] usb 1-1: qt2_read_bulk_callback - non-zero urb status: -71
[  594.010133][ T7169] usb 1-1: USB disconnect, device number 76
[  594.028251][ T7169] quatech-serial ttyUSB0: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB0
[  594.042314][ T7169] quatech-serial ttyUSB1: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB1
[  594.054051][ T7169] quatech2 1-1:0.51: device disconnected
[  594.344389][ T7169] usb 1-1: new high-speed USB device number 77 using dummy_hcd
[  594.494295][ T7169] usb 1-1: Using ep0 maxpacket: 32
[  594.501042][ T7169] usb 1-1: config 0 has an invalid interface number: 51 but max is 0
[  594.509246][ T7169] usb 1-1: config 0 has no interface number 0
[  594.517304][ T7169] usb 1-1: New USB device found, idVendor=061d, idProduct=c150, bcdDevice=ce.6f
[  594.526456][ T7169] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  594.534757][ T7169] usb 1-1: Product: syz
[  594.538919][ T7169] usb 1-1: Manufacturer: syz
[  594.543512][ T7169] usb 1-1: SerialNumber: syz
[  594.549831][ T7169] usb 1-1: config 0 descriptor??
[  594.556455][ T7169] quatech2 1-1:0.51: Quatech 2nd gen USB to Serial Driver converter detected
[  594.758571][ T7169] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB0
[  594.769928][ T7169] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB1
[  594.957541][    C0] quatech-serial ttyUSB0: qt2_process_read_urb - port change to invalid port: 2
executing program
[  595.158018][    C0] usb 1-1: qt2_read_bulk_callback - non-zero urb status: -71
[  595.158379][ T6757] usb 1-1: USB disconnect, device number 77
[  595.174256][ T6757] quatech-serial ttyUSB0: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB0
[  595.191387][ T6757] quatech-serial ttyUSB1: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB1
[  595.203213][ T6757] quatech2 1-1:0.51: device disconnected
[  595.494450][ T6757] usb 1-1: new high-speed USB device number 78 using dummy_hcd
[  595.644415][ T6757] usb 1-1: Using ep0 maxpacket: 32
[  595.651291][ T6757] usb 1-1: config 0 has an invalid interface number: 51 but max is 0
[  595.659554][ T6757] usb 1-1: config 0 has no interface number 0
[  595.667834][ T6757] usb 1-1: New USB device found, idVendor=061d, idProduct=c150, bcdDevice=ce.6f
[  595.677120][ T6757] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  595.685407][ T6757] usb 1-1: Product: syz
[  595.689611][ T6757] usb 1-1: Manufacturer: syz
[  595.694301][ T6757] usb 1-1: SerialNumber: syz
[  595.700541][ T6757] usb 1-1: config 0 descriptor??
[  595.707839][ T6757] quatech2 1-1:0.51: Quatech 2nd gen USB to Serial Driver converter detected
[  595.908891][ T6757] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB0
[  595.920271][ T6757] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB1
[  596.107695][    C1] quatech-serial ttyUSB0: qt2_process_read_urb - port change to invalid port: 2
executing program
[  596.308340][    C1] usb 1-1: qt2_read_bulk_callback - non-zero urb status: -71
[  596.311088][ T7169] usb 1-1: USB disconnect, device number 78
[  596.326357][ T7169] quatech-serial ttyUSB0: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB0
[  596.340105][ T7169] quatech-serial ttyUSB1: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB1
[  596.352753][ T7169] quatech2 1-1:0.51: device disconnected
[  596.644424][ T7169] usb 1-1: new high-speed USB device number 79 using dummy_hcd
[  596.794309][ T7169] usb 1-1: Using ep0 maxpacket: 32
[  596.800851][ T7169] usb 1-1: config 0 has an invalid interface number: 51 but max is 0
[  596.809038][ T7169] usb 1-1: config 0 has no interface number 0
[  596.816970][ T7169] usb 1-1: New USB device found, idVendor=061d, idProduct=c150, bcdDevice=ce.6f
[  596.826140][ T7169] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  596.834245][ T7169] usb 1-1: Product: syz
[  596.838405][ T7169] usb 1-1: Manufacturer: syz
[  596.842987][ T7169] usb 1-1: SerialNumber: syz
[  596.849256][ T7169] usb 1-1: config 0 descriptor??
[  596.856080][ T7169] quatech2 1-1:0.51: Quatech 2nd gen USB to Serial Driver converter detected
[  597.057420][ T7169] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB0
[  597.068656][ T7169] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB1
[  597.256552][    C0] quatech-serial ttyUSB0: qt2_process_read_urb - port change to invalid port: 2
executing program
[  597.456993][    C0] usb 1-1: qt2_read_bulk_callback - non-zero urb status: -71
[  597.460083][ T6757] usb 1-1: USB disconnect, device number 79
[  597.473008][ T6757] quatech-serial ttyUSB0: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB0
[  597.487948][ T6757] quatech-serial ttyUSB1: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB1
[  597.499759][ T6757] quatech2 1-1:0.51: device disconnected
[  597.794434][ T6757] usb 1-1: new high-speed USB device number 80 using dummy_hcd
[  597.944371][ T6757] usb 1-1: Using ep0 maxpacket: 32
[  597.951170][ T6757] usb 1-1: config 0 has an invalid interface number: 51 but max is 0
[  597.959379][ T6757] usb 1-1: config 0 has no interface number 0
[  597.967309][ T6757] usb 1-1: New USB device found, idVendor=061d, idProduct=c150, bcdDevice=ce.6f
[  597.976442][ T6757] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  597.984490][ T6757] usb 1-1: Product: syz
[  597.988640][ T6757] usb 1-1: Manufacturer: syz
[  597.993242][ T6757] usb 1-1: SerialNumber: syz
[  597.999539][ T6757] usb 1-1: config 0 descriptor??
[  598.006179][ T6757] quatech2 1-1:0.51: Quatech 2nd gen USB to Serial Driver converter detected
[  598.207952][ T6757] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB0
[  598.219148][ T6757] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB1
[  598.407197][    C1] quatech-serial ttyUSB0: qt2_process_read_urb - port change to invalid port: 2
executing program
[  598.607660][    C1] usb 1-1: qt2_read_bulk_callback - non-zero urb status: -71
[  598.610385][ T7169] usb 1-1: USB disconnect, device number 80
[  598.623959][ T7169] quatech-serial ttyUSB0: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB0
[  598.637931][ T7169] quatech-serial ttyUSB1: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB1
[  598.649569][ T7169] quatech2 1-1:0.51: device disconnected
[  598.944424][ T7169] usb 1-1: new high-speed USB device number 81 using dummy_hcd
[  599.094346][ T7169] usb 1-1: Using ep0 maxpacket: 32
[  599.101057][ T7169] usb 1-1: config 0 has an invalid interface number: 51 but max is 0
[  599.109239][ T7169] usb 1-1: config 0 has no interface number 0
[  599.117159][ T7169] usb 1-1: New USB device found, idVendor=061d, idProduct=c150, bcdDevice=ce.6f
[  599.126385][ T7169] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  599.134555][ T7169] usb 1-1: Product: syz
[  599.138730][ T7169] usb 1-1: Manufacturer: syz
[  599.143336][ T7169] usb 1-1: SerialNumber: syz
[  599.149466][ T7169] usb 1-1: config 0 descriptor??
[  599.156801][ T7169] quatech2 1-1:0.51: Quatech 2nd gen USB to Serial Driver converter detected
[  599.358629][ T7169] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB0
[  599.370193][ T7169] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB1
[  599.557361][    C0] quatech-serial ttyUSB0: qt2_process_read_urb - port change to invalid port: 2
executing program
[  599.767350][    C0] usb 1-1: qt2_read_bulk_callback - non-zero urb status: -71
[  599.769961][ T6757] usb 1-1: USB disconnect, device number 81
[  599.783402][ T6757] quatech-serial ttyUSB0: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB0
[  599.798925][ T6757] quatech-serial ttyUSB1: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB1
[  599.810586][ T6757] quatech2 1-1:0.51: device disconnected
[  600.104307][ T6757] usb 1-1: new high-speed USB device number 82 using dummy_hcd
[  600.254429][ T6757] usb 1-1: Using ep0 maxpacket: 32
[  600.261359][ T6757] usb 1-1: config 0 has an invalid interface number: 51 but max is 0
[  600.269539][ T6757] usb 1-1: config 0 has no interface number 0
[  600.277516][ T6757] usb 1-1: New USB device found, idVendor=061d, idProduct=c150, bcdDevice=ce.6f
[  600.286762][ T6757] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  600.294992][ T6757] usb 1-1: Product: syz
[  600.299263][ T6757] usb 1-1: Manufacturer: syz
[  600.303894][ T6757] usb 1-1: SerialNumber: syz
[  600.310241][ T6757] usb 1-1: config 0 descriptor??
[  600.317016][ T6757] quatech2 1-1:0.51: Quatech 2nd gen USB to Serial Driver converter detected
[  600.518013][ T6757] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB0
[  600.529248][ T6757] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB1
[  600.716986][    C1] quatech-serial ttyUSB0: qt2_process_read_urb - port change to invalid port: 2
executing program
[  600.926831][    C1] usb 1-1: qt2_read_bulk_callback - non-zero urb status: -71
[  600.934763][ T6757] usb 1-1: USB disconnect, device number 82
[  600.945965][ T6757] quatech-serial ttyUSB0: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB0
[  600.963484][ T6757] quatech-serial ttyUSB1: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB1
[  600.975727][ T6757] quatech2 1-1:0.51: device disconnected
[  601.274378][ T6757] usb 1-1: new high-speed USB device number 83 using dummy_hcd
[  601.424366][ T6757] usb 1-1: Using ep0 maxpacket: 32
[  601.430942][ T6757] usb 1-1: config 0 has an invalid interface number: 51 but max is 0
[  601.439188][ T6757] usb 1-1: config 0 has no interface number 0
[  601.447117][ T6757] usb 1-1: New USB device found, idVendor=061d, idProduct=c150, bcdDevice=ce.6f
[  601.456241][ T6757] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  601.464391][ T6757] usb 1-1: Product: syz
[  601.468549][ T6757] usb 1-1: Manufacturer: syz
[  601.473126][ T6757] usb 1-1: SerialNumber: syz
[  601.479340][ T6757] usb 1-1: config 0 descriptor??
[  601.486020][ T6757] quatech2 1-1:0.51: Quatech 2nd gen USB to Serial Driver converter detected
[  601.687658][ T6757] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB0
[  601.698893][ T6757] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB1
[  601.886792][    C1] quatech-serial ttyUSB0: qt2_process_read_urb - port change to invalid port: 2
executing program
[  602.087241][    C1] usb 1-1: qt2_read_bulk_callback - non-zero urb status: -71
[  602.090665][ T7169] usb 1-1: USB disconnect, device number 83
[  602.107456][ T7169] quatech-serial ttyUSB0: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB0
[  602.121383][ T7169] quatech-serial ttyUSB1: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB1
[  602.133531][ T7169] quatech2 1-1:0.51: device disconnected
[  602.424365][ T7169] usb 1-1: new high-speed USB device number 84 using dummy_hcd
[  602.574258][ T7169] usb 1-1: Using ep0 maxpacket: 32
[  602.580798][ T7169] usb 1-1: config 0 has an invalid interface number: 51 but max is 0
[  602.589041][ T7169] usb 1-1: config 0 has no interface number 0
[  602.596928][ T7169] usb 1-1: New USB device found, idVendor=061d, idProduct=c150, bcdDevice=ce.6f
[  602.606088][ T7169] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  602.614203][ T7169] usb 1-1: Product: syz
[  602.618385][ T7169] usb 1-1: Manufacturer: syz
[  602.623001][ T7169] usb 1-1: SerialNumber: syz
[  602.628964][ T7169] usb 1-1: config 0 descriptor??
[  602.636557][ T7169] quatech2 1-1:0.51: Quatech 2nd gen USB to Serial Driver converter detected
[  602.838533][ T7169] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB0
[  602.850394][ T7169] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB1
[  603.037248][    C0] quatech-serial ttyUSB0: qt2_process_read_urb - port change to invalid port: 2
executing program
[  603.237863][    C0] usb 1-1: qt2_read_bulk_callback - non-zero urb status: -71
[  603.238106][ T6757] usb 1-1: USB disconnect, device number 84
[  603.257473][ T6757] quatech-serial ttyUSB0: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB0
[  603.271451][ T6757] quatech-serial ttyUSB1: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB1
[  603.283967][ T6757] quatech2 1-1:0.51: device disconnected
[  603.584404][ T6757] usb 1-1: new high-speed USB device number 85 using dummy_hcd
[  603.734343][ T6757] usb 1-1: Using ep0 maxpacket: 32
[  603.740849][ T6757] usb 1-1: config 0 has an invalid interface number: 51 but max is 0
[  603.749067][ T6757] usb 1-1: config 0 has no interface number 0
[  603.757418][ T6757] usb 1-1: New USB device found, idVendor=061d, idProduct=c150, bcdDevice=ce.6f
[  603.766530][ T6757] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  603.774620][ T6757] usb 1-1: Product: syz
[  603.778823][ T6757] usb 1-1: Manufacturer: syz
[  603.783439][ T6757] usb 1-1: SerialNumber: syz
[  603.789563][ T6757] usb 1-1: config 0 descriptor??
[  603.796468][ T6757] quatech2 1-1:0.51: Quatech 2nd gen USB to Serial Driver converter detected
[  603.997842][ T6757] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB0
[  604.009540][ T6757] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB1
[  604.196969][    C1] quatech-serial ttyUSB0: qt2_process_read_urb - port change to invalid port: 2
executing program
[  604.397472][    C1] usb 1-1: qt2_read_bulk_callback - non-zero urb status: -71
[  604.400197][ T7169] usb 1-1: USB disconnect, device number 85
[  604.416148][ T7169] quatech-serial ttyUSB0: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB0
[  604.430812][ T7169] quatech-serial ttyUSB1: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB1
[  604.442814][ T7169] quatech2 1-1:0.51: device disconnected
[  604.734329][ T7169] usb 1-1: new high-speed USB device number 86 using dummy_hcd
[  604.884322][ T7169] usb 1-1: Using ep0 maxpacket: 32
[  604.891028][ T7169] usb 1-1: config 0 has an invalid interface number: 51 but max is 0
[  604.899216][ T7169] usb 1-1: config 0 has no interface number 0
[  604.907534][ T7169] usb 1-1: New USB device found, idVendor=061d, idProduct=c150, bcdDevice=ce.6f
[  604.916687][ T7169] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  604.924724][ T7169] usb 1-1: Product: syz
[  604.928883][ T7169] usb 1-1: Manufacturer: syz
[  604.933575][ T7169] usb 1-1: SerialNumber: syz
[  604.939773][ T7169] usb 1-1: config 0 descriptor??
[  604.946569][ T7169] quatech2 1-1:0.51: Quatech 2nd gen USB to Serial Driver converter detected
[  605.147805][ T7169] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB0
[  605.159037][ T7169] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB1
[  605.346790][    C0] quatech-serial ttyUSB0: qt2_process_read_urb - port change to invalid port: 2
executing program
[  605.547320][    C0] usb 1-1: qt2_read_bulk_callback - non-zero urb status: -71
[  605.550310][ T6757] usb 1-1: USB disconnect, device number 86
[  605.569897][ T6757] quatech-serial ttyUSB0: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB0
[  605.587922][ T6757] quatech-serial ttyUSB1: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB1
[  605.600274][ T6757] quatech2 1-1:0.51: device disconnected
[  605.914354][ T6757] usb 1-1: new high-speed USB device number 87 using dummy_hcd
[  606.064348][ T6757] usb 1-1: Using ep0 maxpacket: 32
[  606.071201][ T6757] usb 1-1: config 0 has an invalid interface number: 51 but max is 0
[  606.079377][ T6757] usb 1-1: config 0 has no interface number 0
[  606.087267][ T6757] usb 1-1: New USB device found, idVendor=061d, idProduct=c150, bcdDevice=ce.6f
[  606.096402][ T6757] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  606.104512][ T6757] usb 1-1: Product: syz
[  606.108693][ T6757] usb 1-1: Manufacturer: syz
[  606.113303][ T6757] usb 1-1: SerialNumber: syz
[  606.120083][ T6757] usb 1-1: config 0 descriptor??
[  606.126936][ T6757] quatech2 1-1:0.51: Quatech 2nd gen USB to Serial Driver converter detected
[  606.328304][ T6757] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB0
[  606.339916][ T6757] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB1
[  606.527041][    C1] quatech-serial ttyUSB0: qt2_process_read_urb - port change to invalid port: 2
executing program
[  606.727724][    C1] usb 1-1: qt2_read_bulk_callback - non-zero urb status: -71
[  606.728085][ T7169] usb 1-1: USB disconnect, device number 87
[  606.744387][ T7169] quatech-serial ttyUSB0: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB0
[  606.758281][ T7169] quatech-serial ttyUSB1: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB1
[  606.770105][ T7169] quatech2 1-1:0.51: device disconnected
[  607.064420][ T7169] usb 1-1: new high-speed USB device number 88 using dummy_hcd
[  607.224311][ T7169] usb 1-1: Using ep0 maxpacket: 32
[  607.231187][ T7169] usb 1-1: config 0 has an invalid interface number: 51 but max is 0
[  607.239632][ T7169] usb 1-1: config 0 has no interface number 0
[  607.247875][ T7169] usb 1-1: New USB device found, idVendor=061d, idProduct=c150, bcdDevice=ce.6f
[  607.257010][ T7169] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  607.265098][ T7169] usb 1-1: Product: syz
[  607.269254][ T7169] usb 1-1: Manufacturer: syz
[  607.273853][ T7169] usb 1-1: SerialNumber: syz
[  607.280077][ T7169] usb 1-1: config 0 descriptor??
[  607.286906][ T7169] quatech2 1-1:0.51: Quatech 2nd gen USB to Serial Driver converter detected
[  607.488285][ T7169] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB0
[  607.499900][ T7169] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB1
[  607.687391][    C0] quatech-serial ttyUSB0: qt2_process_read_urb - port change to invalid port: 2
executing program
[  607.887856][    C0] usb 1-1: qt2_read_bulk_callback - non-zero urb status: -71
[  607.890498][ T6757] usb 1-1: USB disconnect, device number 88
[  607.905691][ T6757] quatech-serial ttyUSB0: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB0
[  607.919515][ T6757] quatech-serial ttyUSB1: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB1
[  607.931402][ T6757] quatech2 1-1:0.51: device disconnected
[  608.224385][ T6757] usb 1-1: new high-speed USB device number 89 using dummy_hcd
[  608.374374][ T6757] usb 1-1: Using ep0 maxpacket: 32
[  608.381320][ T6757] usb 1-1: config 0 has an invalid interface number: 51 but max is 0
[  608.389691][ T6757] usb 1-1: config 0 has no interface number 0
[  608.397677][ T6757] usb 1-1: New USB device found, idVendor=061d, idProduct=c150, bcdDevice=ce.6f
[  608.406987][ T6757] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  608.415051][ T6757] usb 1-1: Product: syz
[  608.419461][ T6757] usb 1-1: Manufacturer: syz
[  608.424073][ T6757] usb 1-1: SerialNumber: syz
[  608.430340][ T6757] usb 1-1: config 0 descriptor??
[  608.437397][ T6757] quatech2 1-1:0.51: Quatech 2nd gen USB to Serial Driver converter detected
[  608.638469][ T6757] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB0
[  608.649698][ T6757] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB1
[  608.837860][    C1] quatech-serial ttyUSB0: qt2_process_read_urb - port change to invalid port: 2
executing program
[  609.038633][    C1] usb 1-1: qt2_read_bulk_callback - non-zero urb status: -71
[  609.048457][ T6757] usb 1-1: USB disconnect, device number 89
[  609.057382][ T6757] quatech-serial ttyUSB0: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB0
[  609.072717][ T6757] quatech-serial ttyUSB1: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB1
[  609.084707][ T6757] quatech2 1-1:0.51: device disconnected
[  609.404468][ T6757] usb 1-1: new high-speed USB device number 90 using dummy_hcd
[  609.554298][ T6757] usb 1-1: Using ep0 maxpacket: 32
[  609.560849][ T6757] usb 1-1: config 0 has an invalid interface number: 51 but max is 0
[  609.569178][ T6757] usb 1-1: config 0 has no interface number 0
[  609.577236][ T6757] usb 1-1: New USB device found, idVendor=061d, idProduct=c150, bcdDevice=ce.6f
[  609.586365][ T6757] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  609.594435][ T6757] usb 1-1: Product: syz
[  609.598587][ T6757] usb 1-1: Manufacturer: syz
[  609.603169][ T6757] usb 1-1: SerialNumber: syz
[  609.609323][ T6757] usb 1-1: config 0 descriptor??
[  609.616007][ T6757] quatech2 1-1:0.51: Quatech 2nd gen USB to Serial Driver converter detected
[  609.817972][ T6757] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB0
[  609.829266][ T6757] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB1
[  610.016310][    C1] quatech-serial ttyUSB0: qt2_process_read_urb - port change to invalid port: 2
executing program
[  610.216822][    C1] usb 1-1: qt2_read_bulk_callback - non-zero urb status: -71
[  610.220285][ T7169] usb 1-1: USB disconnect, device number 90
[  610.238543][ T7169] quatech-serial ttyUSB0: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB0
[  610.252418][ T7169] quatech-serial ttyUSB1: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB1
[  610.264026][ T7169] quatech2 1-1:0.51: device disconnected
[  610.554322][ T7169] usb 1-1: new high-speed USB device number 91 using dummy_hcd
[  610.704368][ T7169] usb 1-1: Using ep0 maxpacket: 32
[  610.710957][ T7169] usb 1-1: config 0 has an invalid interface number: 51 but max is 0
[  610.719132][ T7169] usb 1-1: config 0 has no interface number 0
[  610.727048][ T7169] usb 1-1: New USB device found, idVendor=061d, idProduct=c150, bcdDevice=ce.6f
[  610.736244][ T7169] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  610.744288][ T7169] usb 1-1: Product: syz
[  610.748447][ T7169] usb 1-1: Manufacturer: syz
[  610.753026][ T7169] usb 1-1: SerialNumber: syz
[  610.759199][ T7169] usb 1-1: config 0 descriptor??
[  610.766286][ T7169] quatech2 1-1:0.51: Quatech 2nd gen USB to Serial Driver converter detected
[  610.967473][ T7169] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB0
[  610.978738][ T7169] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB1
[  611.166433][    C0] quatech-serial ttyUSB0: qt2_process_read_urb - port change to invalid port: 2
executing program
[  611.366883][    C0] usb 1-1: qt2_read_bulk_callback - non-zero urb status: -71
[  611.370235][ T6757] usb 1-1: USB disconnect, device number 91
[  611.383100][ T6757] quatech-serial ttyUSB0: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB0
[  611.397140][ T6757] quatech-serial ttyUSB1: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB1
[  611.408789][ T6757] quatech2 1-1:0.51: device disconnected
[  611.704402][ T6757] usb 1-1: new high-speed USB device number 92 using dummy_hcd
[  611.854391][ T6757] usb 1-1: Using ep0 maxpacket: 32
[  611.861336][ T6757] usb 1-1: config 0 has an invalid interface number: 51 but max is 0
[  611.869521][ T6757] usb 1-1: config 0 has no interface number 0
[  611.878034][ T6757] usb 1-1: New USB device found, idVendor=061d, idProduct=c150, bcdDevice=ce.6f
[  611.887417][ T6757] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  611.895891][ T6757] usb 1-1: Product: syz
[  611.900077][ T6757] usb 1-1: Manufacturer: syz
[  611.904763][ T6757] usb 1-1: SerialNumber: syz
[  611.911060][ T6757] usb 1-1: config 0 descriptor??
[  611.917719][ T6757] quatech2 1-1:0.51: Quatech 2nd gen USB to Serial Driver converter detected
[  612.119052][ T6757] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB0
[  612.130298][ T6757] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB1
[  612.318411][    C1] quatech-serial ttyUSB0: qt2_process_read_urb - port change to invalid port: 2
executing program
[  612.519013][    C1] usb 1-1: qt2_read_bulk_callback - non-zero urb status: -71
[  612.522379][ T7169] usb 1-1: USB disconnect, device number 92
[  612.536690][ T7169] quatech-serial ttyUSB0: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB0
[  612.551033][ T7169] quatech-serial ttyUSB1: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB1
[  612.563664][ T7169] quatech2 1-1:0.51: device disconnected
[  612.854346][ T7169] usb 1-1: new high-speed USB device number 93 using dummy_hcd
[  613.014366][ T7169] usb 1-1: Using ep0 maxpacket: 32
[  613.021534][ T7169] usb 1-1: config 0 has an invalid interface number: 51 but max is 0
[  613.029755][ T7169] usb 1-1: config 0 has no interface number 0
[  613.038142][ T7169] usb 1-1: New USB device found, idVendor=061d, idProduct=c150, bcdDevice=ce.6f
[  613.047419][ T7169] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  613.055499][ T7169] usb 1-1: Product: syz
[  613.059688][ T7169] usb 1-1: Manufacturer: syz
[  613.064342][ T7169] usb 1-1: SerialNumber: syz
[  613.070161][ T7169] usb 1-1: config 0 descriptor??
[  613.076905][ T7169] quatech2 1-1:0.51: Quatech 2nd gen USB to Serial Driver converter detected
[  613.278485][ T7169] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB0
[  613.289614][ T7169] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB1
[  613.477454][    C0] quatech-serial ttyUSB0: qt2_process_read_urb - port change to invalid port: 2
executing program
[  613.678039][    C0] usb 1-1: qt2_read_bulk_callback - non-zero urb status: -71
[  613.680640][ T6757] usb 1-1: USB disconnect, device number 93
[  613.698865][ T6757] quatech-serial ttyUSB0: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB0
[  613.712733][ T6757] quatech-serial ttyUSB1: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB1
[  613.724533][ T6757] quatech2 1-1:0.51: device disconnected
[  614.024431][ T6757] usb 1-1: new high-speed USB device number 94 using dummy_hcd
[  614.174374][ T6757] usb 1-1: Using ep0 maxpacket: 32
[  614.180935][ T6757] usb 1-1: config 0 has an invalid interface number: 51 but max is 0
[  614.189188][ T6757] usb 1-1: config 0 has no interface number 0
[  614.197326][ T6757] usb 1-1: New USB device found, idVendor=061d, idProduct=c150, bcdDevice=ce.6f
[  614.206514][ T6757] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  614.214593][ T6757] usb 1-1: Product: syz
[  614.218767][ T6757] usb 1-1: Manufacturer: syz
[  614.223368][ T6757] usb 1-1: SerialNumber: syz
[  614.229593][ T6757] usb 1-1: config 0 descriptor??
[  614.236513][ T6757] quatech2 1-1:0.51: Quatech 2nd gen USB to Serial Driver converter detected
[  614.437919][ T6757] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB0
[  614.449356][ T6757] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB1
[  614.636802][    C1] quatech-serial ttyUSB0: qt2_process_read_urb - port change to invalid port: 2
executing program
[  614.837297][    C1] usb 1-1: qt2_read_bulk_callback - non-zero urb status: -71
[  614.839969][ T7169] usb 1-1: USB disconnect, device number 94
[  614.858214][ T7169] quatech-serial ttyUSB0: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB0
[  614.872055][ T7169] quatech-serial ttyUSB1: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB1
[  614.884123][ T7169] quatech2 1-1:0.51: device disconnected
[  615.184336][ T7169] usb 1-1: new high-speed USB device number 95 using dummy_hcd
[  615.344347][ T7169] usb 1-1: Using ep0 maxpacket: 32
[  615.351113][ T7169] usb 1-1: config 0 has an invalid interface number: 51 but max is 0
[  615.359363][ T7169] usb 1-1: config 0 has no interface number 0
[  615.367320][ T7169] usb 1-1: New USB device found, idVendor=061d, idProduct=c150, bcdDevice=ce.6f
[  615.376486][ T7169] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  615.384758][ T7169] usb 1-1: Product: syz
[  615.388939][ T7169] usb 1-1: Manufacturer: syz
[  615.393532][ T7169] usb 1-1: SerialNumber: syz
[  615.399759][ T7169] usb 1-1: config 0 descriptor??
[  615.406456][ T7169] quatech2 1-1:0.51: Quatech 2nd gen USB to Serial Driver converter detected
[  615.607524][ T7169] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB0
[  615.618754][ T7169] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB1
[  615.806512][    C0] quatech-serial ttyUSB0: qt2_process_read_urb - port change to invalid port: 2
executing program
[  616.007015][    C0] usb 1-1: qt2_read_bulk_callback - non-zero urb status: -71
[  616.010117][ T6757] usb 1-1: USB disconnect, device number 95
[  616.027517][ T6757] quatech-serial ttyUSB0: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB0
[  616.041493][ T6757] quatech-serial ttyUSB1: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB1
[  616.053645][ T6757] quatech2 1-1:0.51: device disconnected
[  616.344420][ T6757] usb 1-1: new high-speed USB device number 96 using dummy_hcd
[  616.494338][ T6757] usb 1-1: Using ep0 maxpacket: 32
[  616.501075][ T6757] usb 1-1: config 0 has an invalid interface number: 51 but max is 0
[  616.509582][ T6757] usb 1-1: config 0 has no interface number 0
[  616.517483][ T6757] usb 1-1: New USB device found, idVendor=061d, idProduct=c150, bcdDevice=ce.6f
[  616.526615][ T6757] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  616.534643][ T6757] usb 1-1: Product: syz
[  616.538791][ T6757] usb 1-1: Manufacturer: syz
[  616.543371][ T6757] usb 1-1: SerialNumber: syz
[  616.549582][ T6757] usb 1-1: config 0 descriptor??
[  616.556127][ T6757] quatech2 1-1:0.51: Quatech 2nd gen USB to Serial Driver converter detected
[  616.757625][ T6757] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB0
[  616.769459][ T6757] usb 1-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB1
[  616.956492][    C1] quatech-serial ttyUSB0: qt2_process_read_urb - port change to invalid port: 2
executing program