[  896.510744][T13085] PPP generic driver version 2.4.2
[  896.516712][T13085] NET: Registered PF_PPPOX protocol family
[  896.536021][T13085] l2tp_core: L2TP core driver, V2.0
[  896.550348][T13085] l2tp_ppp: PPPoL2TP kernel driver, V2.0
[  902.205196][T13157] ppp0: recursion detected
[  903.268121][T13118] ppp0: recursion detected