[  834.251495][T12123] PPP generic driver version 2.4.2
[  834.260670][T12123] NET: Registered PF_PPPOX protocol family
[  834.279414][T12123] l2tp_core: L2TP core driver, V2.0
[  834.286218][T12123] l2tp_ppp: PPPoL2TP kernel driver, V2.0
[  839.890305][T12208] ppp0: recursion detected
[  840.944166][T12163] ppp0: recursion detected