[  831.515752][T12118] PPP generic driver version 2.4.2
[  831.522279][T12118] NET: Registered PF_PPPOX protocol family
[  831.545411][T12118] l2tp_core: L2TP core driver, V2.0
[  831.553431][T12118] l2tp_ppp: PPPoL2TP kernel driver, V2.0
[  837.045437][T12197] ppp0: recursion detected
[  838.114842][T12152] ppp0: recursion detected