[chip@localhost ~]$ cat PPP-logfile
Feb 16 19:35:42 localhost pppd[3778]: pppd 2.4.3 started by chip, uid 500
Feb 16 19:35:42 localhost pppd[3778]: using channel 5
Feb 16 19:35:42 localhost pppd[3778]: Using interface ppp0
Feb 16 19:35:42 localhost pppd[3778]: Connect: ppp0 <--> /dev/ttyS0
Feb 16 19:35:42 localhost pppd[3778]: sent [LCP ConfReq id=0x1 <asyncmap 0x0> <magic 0x319659da> <pcomp> <accomp>]
Feb 16 19:35:42 localhost pppd[3778]: rcvd [LCP ConfReq id=0x0 <asyncmap 0x0> <auth eap> <magic 0x32304cee> <pcomp> <accomp> <callback CBCP> <mrru 1614> <endpoint [local:0d.0e.90.db.59.71.40.4b.8d.ea.ae.69.ce.6d.90.49.00.00.00.00]> < 17 04 00 16>]
Feb 16 19:35:42 localhost pppd[3778]: sent [LCP ConfRej id=0x0 <callback CBCP> <mrru 1614> < 17 04 00 16>]
Feb 16 19:35:43 localhost pppd[3778]: rcvd [LCP ConfAck id=0x1 <asyncmap 0x0> <magic 0x319659da> <pcomp> <accomp>]
Feb 16 19:35:43 localhost pppd[3778]: rcvd [LCP ConfReq id=0x1 <asyncmap 0x0> <auth eap> <magic 0x32304cee> <pcomp> <accomp> <endpoint [local:0d.0e.90.db.59.71.40.4b.8d.ea.ae.69.ce.6d.90.49.00.00.00.00]>]
Feb 16 19:35:43 localhost pppd[3778]: sent [LCP ConfAck id=0x1 <asyncmap 0x0> <auth eap> <magic 0x32304cee> <pcomp> <accomp> <endpoint [local:0d.0e.90.db.59.71.40.4b.8d.ea.ae.69.ce.6d.90.49.00.00.00.00]>]
Feb 16 19:35:43 localhost pppd[3778]: rcvd [EAP Request id=0x4 Identity <No message>]
Feb 16 19:35:43 localhost pppd[3778]: sent [EAP Response id=0x4 Identity <Name "rras-root">]
Feb 16 19:35:43 localhost pppd[3778]: rcvd [LCP TermReq id=0x3 "20L\37777777756\000<\37777777715t\000\000\002\37777777663"]
Feb 16 19:35:43 localhost pppd[3778]: LCP terminated by peer (20LM-n^@<M-Mt^@^@^BM-3)
Feb 16 19:35:43 localhost pppd[3778]: sent [LCP TermAck id=0x3]
Feb 16 19:35:46 localhost pppd[3778]: Connection terminated.
Feb 16 19:35:46 localhost pppd[3778]: using channel 6
Feb 16 19:35:46 localhost pppd[3778]: Using interface ppp0
Feb 16 19:35:46 localhost pppd[3778]: Connect: ppp0 <--> /dev/ttyS0
Feb 16 19:35:46 localhost pppd[3778]: sent [LCP ConfReq id=0x2 <asyncmap 0x0> <magic 0x5aac39fa> <pcomp> <accomp>]
Feb 16 19:35:46 localhost pppd[3778]: tcflush failed: Bad file descriptor
Feb 16 19:35:46 localhost pppd[3778]: tcsetattr: Invalid argument (line 1025)
Feb 16 19:35:46 localhost pppd[3778]: Exit.