модем sierra wireless идентифицируется, только при перезагрузке системы

ser@debian:~$ lsusb
Bus 005 Device 003: ID 1199:0029 Sierra Wireless, Inc. 
Bus 005 Device 002: ID 0458:7083 KYE Systems Corp. (Mouse Systems) 
Bus 005 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 009 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 008 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 007 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 006 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 004 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 002 Device 002: ID 2109:3431  
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
user@debian:~$