[  874.310620][T11109] PPP generic driver version 2.4.2
[  874.322484][T11109] NET: Registered PF_PPPOX protocol family
[  874.340314][T11109] l2tp_core: L2TP core driver, V2.0
[  874.347212][T11109] l2tp_ppp: PPPoL2TP kernel driver, V2.0
[  879.602518][T11177] ppp0: recursion detected
[  880.659721][T11142] ppp0: recursion detected