Jun 10 15:12:10 localhost pppd[7568]: pppd 2.4.4b1 started by root, uid 0
Jun 10 15:12:10 localhost pppd[7568]: Serial connection established.
Jun 10 15:12:10 localhost pppd[7568]: Using interface ppp0
Jun 10 15:12:10 localhost pppd[7568]: Connect: ppp0 <--> /dev/ttyUSB1
Jun 10 15:12:41 localhost pppd[7568]: LCP: timeout sending Config-Requests 
Jun 10 15:12:41 localhost pppd[7568]: Connection terminated.