[  873.305718][T11208] PPP generic driver version 2.4.2
[  873.312361][T11208] NET: Registered PF_PPPOX protocol family
[  873.335431][T11208] l2tp_core: L2TP core driver, V2.0
[  873.342098][T11208] l2tp_ppp: PPPoL2TP kernel driver, V2.0
[  881.355082][T11371] ppp0: recursion detected
[  881.528855][    C0] ppp0: recursion detected
[  882.408945][T11246] ppp0: recursion detected