[  378.066681] PPP generic driver version 2.4.2
[  378.067438] NET: Registered PF_PPPOX protocol family
[  378.069578] l2tp_core: L2TP core driver, V2.0
[  378.071053] l2tp_ppp: PPPoL2TP kernel driver, V2.0
[  378.185422] clocksource: Watchdog remote CPU 3 read timed out
[  382.505164] ppp0: recursion detected
[  382.604322] ppp0: recursion detected
[  383.524545] ppp0: recursion detected