Sep  8 09:14:36.380 CEST: ISDN BR0/0/1 Q921: L2_EstablishDataLink: sending SABME
Sep  8 09:14:36.380 CEST: ISDN BR0/0/1 Q921: User TX -> SABMEp sapi=0 tei=0
Sep  8 09:14:37.380 CEST: ISDN BR0/0/1 Q921: User TX -> SABMEp sapi=0 tei=0 isdn 
Sep  8 09:14:38.380 CEST: ISDN BR0/0/1 Q921: User TX -> SABMEp sapi=0 tei=0
Sep  8 09:14:39.380 CEST: ISDN BR0/0/1 Q921: User TX -> SABMEp sapi=0 tei=0
Sep  8 09:14:40.916 CEST: ISDN BR0/0/1 Q921: L2_EstablishDataLink: sending SABME
Sep  8 09:14:40.916 CEST: ISDN BR0/0/1 Q921: User TX -> SABMEp sapi=0 tei=0
Sep  8 09:14:41.428 CEST: %MARS_NETCLK-3-CLK_TRANS: Network clock source transitioned from priority 11 to priority 1
Sep  8 09:14:41.916 CEST: ISDN BR0/0/1 Q921: User TX -> SABMEp sapi=0 tei=0
Sep  8 09:14:42.380 CEST: ISDN BR0/0/1 Q921: L2_EstablishDataLink: sending SABME
Sep  8 09:14:42.380 CEST: ISDN BR0/0/1 Q921: User TX -> SABMEp sapi=0 tei=0
Sep  8 09:14:43.380 CEST: ISDN BR0/0/1 Q921: User TX -> SABMEp sapi=0 tei=0
Sep  8 09:14:43.688 CEST: %MARS_NETCLK-3-HOLDOVER: Entering Holdover for Controller BRI0/0/1
Sep  8 09:14:44.380 CEST: ISDN BR0/0/1 Q921: User TX -> SABMEp sapi=0 tei=0
Sep  8 09:14:45.380 CEST: ISDN BR0/0/1 Q921: User TX -> SABMEp sapi=0 tei=0
Sep  8 09:14:47.580 CEST: ISDN BR0/0/1 Q921: L2_EstablishDataLink: sending SABME
Sep  8 09:14:47.580 CEST: ISDN BR0/0/1 Q921: User TX -> SABMEp sapi=0 tei=0
Sep  8 09:14:48.380 CEST: ISDN BR0/0/1 Q921: L2_EstablishDataLink: sending SABME
Sep  8 09:14:48.380 CEST: ISDN BR0/0/1 Q921: User TX -> SABMEp sapi=0 tei=0