[  831.772599][T12122] PPP generic driver version 2.4.2
[  831.786430][T12122] NET: Registered PF_PPPOX protocol family
[  831.807764][T12122] l2tp_core: L2TP core driver, V2.0
[  831.816946][T12122] l2tp_ppp: PPPoL2TP kernel driver, V2.0
[  837.351216][T12205] ppp0: recursion detected
[  838.413129][T12160] ppp0: recursion detected