Here is the result after adding your line:
13:58:42 pppd 2.4.3 started by root, uid 0
13:58:42 Using interface ppp0
13:58:42 Connect: ppp0 /dev/pts/0
13:58:43 Remote message: Login incorrect
13:58:43 PAP authentication failed
13:58:43 Connection terminated.
13:58:43 Exit.
13:59:42 unrecognized option ‘RES’
13:59:47 unrecognized option ‘RES’