[  853.321578][T11153] PPP generic driver version 2.4.2
[  853.329596][T11153] NET: Registered PF_PPPOX protocol family
[  853.357234][T11153] l2tp_core: L2TP core driver, V2.0
[  853.364884][T11153] l2tp_ppp: PPPoL2TP kernel driver, V2.0
[  861.453787][T11339] ppp0: recursion detected
[  861.550044][    C1] ppp0: recursion detected
[  862.509729][T11194] ppp0: recursion detected