[  933.453788][T12992] PPP generic driver version 2.4.2
[  933.462045][T12992] NET: Registered PF_PPPOX protocol family
[  933.486668][T12992] l2tp_core: L2TP core driver, V2.0
[  933.493852][T12992] l2tp_ppp: PPPoL2TP kernel driver, V2.0
[  939.103934][T13070] ppp0: recursion detected
[  940.171311][T13024] ppp0: recursion detected