[  880.280565][T12977] PPP generic driver version 2.4.2
[  880.286536][T12977] NET: Registered PF_PPPOX protocol family
[  880.306272][T12977] l2tp_core: L2TP core driver, V2.0
[  880.312501][T12977] l2tp_ppp: PPPoL2TP kernel driver, V2.0
[  885.990678][T13061] ppp0: recursion detected
[  887.058794][T13017] ppp0: recursion detected