GPRS拨号错误

来源：/var/log/message.最下面的几行是个人怀疑跟错误有关。
Dec 11 15:19:45 speme kernel: [ 731.759988] PPP generic driver version 2.4.2
Dec 11 15:19:45 speme pppd[8272]: pppd 2.4.4 started by root, uid 0
Dec 11 15:19:45 speme pppd[8272]: Using interface ppp0
Dec 11 15:19:45 speme pppd[8272]: Connect: ppp0 <--> /dev/ttyUSB0
Dec 11 15:20:15 speme pppd[8272]: LCP: timeout sending Config-Requests
Dec 11 15:20:15 speme pppd[8272]: Connection terminated.
Dec 11 15:20:15 speme pppd[8272]: Modem hangup
Dec 11 15:20:15 speme pppd[8272]: Exit.
Dec 11 15:24:04 speme kernel: [ 990.406275] Unknown InputIN=eth0 OUT= MAC= SRC=192.168.2.103 DST=192.168.2.255 LEN=257 TOS=0x00 PREC=0x00 TTL=64 ID=0 DF PROTO=UDP SPT=138 DPT=138 LEN=237
Dec 11 15:24:04 speme kernel: [ 990.406383] Unknown InputIN=eth0 OUT= MAC= SRC=192.168.2.103 DST=192.168.2.255 LEN=234 TOS=0x00 PREC=0x00 TTL=64 ID=0 DF PROTO=UDP SPT=138 DPT=138 LEN=214
Dec 11 15:24:24 speme kernel: [ 1010.400661] Unknown OutputIN= OUT=vmnet1 SRC=192.168.247.1 DST=192.168.247.255 LEN=257 TOS=0x00 PREC=0x00 TTL=64 ID=0 DF PROTO=UDP SPT=138 DPT=138 LEN=237
Dec 11 15:24:24 speme kernel: [ 1010.401087] Unknown OutputIN= OUT=vmnet1 SRC=192.168.247.1 DST=192.168.247.255 LEN=78 TOS=0x00 PREC=0x00 TTL=64 ID=0 DF PROTO=UDP SPT=137 DPT=137 LEN=58
Dec 11 15:29:24 speme kernel: [ 1310.345583] Unknown OutputIN= OUT=vmnet1 SRC=192.168.247.1 DST=192.168.247.255 LEN=78 TOS=0x00 PREC=0x00 TTL=64 ID=0 DF PROTO=UDP SPT=137 DPT=137 LEN=58
Dec 11 15:30:04 speme kernel: [ 1350.334429] Unknown InputIN=eth0 OUT= MAC= SRC=192.168.2.103 DST=192.168.2.255 LEN=257 TOS=0x00 PREC=0x00 TTL=64 ID=0 DF PROTO=UDP SPT=138 DPT=138 LEN=237
Dec 11 15:30:04 speme kernel: [ 1350.334531] Unknown InputIN=eth0 OUT= MAC= SRC=192.168.2.103 DST=192.168.2.255 LEN=234 TOS=0x00 PREC=0x00 TTL=64 ID=0 DF PROTO=UDP SPT=138 DPT=138 LEN=214
Dec 11 15:30:24 speme kernel: [ 1370.328847] Unknown OutputIN= OUT=vmnet1 SRC=192.168.247.1 DST=192.168.247.255 LEN=257 TOS=0x00 PREC=0x00 TTL=64 ID=0 DF PROTO=UDP SPT=138 DPT=138 LEN=237
Dec 11 15:34:24 speme kernel: [ 1610.262430] Unknown OutputIN= OUT=vmnet1 SRC=192.168.247.1 DST=192.168.247.255 LEN=78 TOS=0x00 PREC=0x00 TTL=64 ID=0 DF PROTO=UDP SPT=137 DPT=137 LEN=58
Dec 11 15:37:04 speme kernel: [ 1770.222099] Unknown InputIN=eth0 OUT= MAC= SRC=192.168.2.103 DST=192.168.2.255 LEN=257 TOS=0x00 PREC=0x00 TTL=64 ID=0 DF PROTO=UDP SPT=138 DPT=138 LEN=237
Dec 11 15:37:04 speme kernel: [ 1770.222208] Unknown InputIN=eth0 OUT= MAC= SRC=192.168.2.103 DST=192.168.2.255 LEN=234 TOS=0x00 PREC=0x00 TTL=64 ID=0 DF PROTO=UDP SPT=138 DPT=138 LEN=214
Dec 11 15:37:24 speme kernel: [ 1790.216549] Unknown OutputIN= OUT=vmnet1 SRC=192.168.247.1 DST=192.168.247.255 LEN=257 TOS=0x00 PREC=0x00 TTL=64 ID=0 DF PROTO=UDP SPT=138 DPT=138 LEN=237
Dec 11 15:39:24 speme kernel: [ 1910.183326] Unknown OutputIN= OUT=vmnet1 SRC=192.168.247.1 DST=192.168.247.255 LEN=78 TOS=0x00 PREC=0x00 TTL=64 ID=0 DF PROTO=UDP SPT=137 DPT=137 LEN=58
Dec 11 15:44:24 speme kernel: [ 2210.104188] Unknown OutputIN= OUT=vmnet1 SRC=192.168.247.1 DST=192.168.247.255 LEN=78 TOS=0x00 PREC=0x00 TTL=64 ID=0 DF PROTO=UDP SPT=137 DPT=137 LEN=58