Jul  9 11:15:14 NOTICE[4615] chan_zap.c: PRI got event: HDLC Abort (6) on Primary D-channel of span 2
Jul  9 11:15:25 NOTICE[4615] chan_zap.c: PRI got event: HDLC Bad FCS (8) on Primary D-channel of span 2
Jul  9 11:20:11 NOTICE[4615] chan_zap.c: PRI got event: HDLC Bad FCS (8) on Primary D-channel of span 2
Jul  9 11:20:11 NOTICE[4614] chan_zap.c: PRI got event: HDLC Abort (6) on Primary D-channel of span 1
Jul  9 11:33:02 NOTICE[4615] chan_zap.c: PRI got event: HDLC Abort (6) on Primary D-channel of span 2
Jul  9 12:47:54 NOTICE[4615] chan_zap.c: PRI got event: HDLC Abort (6) on Primary D-channel of span 2