[  935.638800][T12963] PPP generic driver version 2.4.2
[  935.645314][T12963] NET: Registered PF_PPPOX protocol family
[  935.663004][T12963] l2tp_core: L2TP core driver, V2.0
[  935.669736][T12963] l2tp_ppp: PPPoL2TP kernel driver, V2.0
[  941.283086][T13041] ppp0: recursion detected
[  942.373848][T12995] ppp0: recursion detected