[  872.289928][T13058] PPP generic driver version 2.4.2
[  872.297093][T13058] NET: Registered PF_PPPOX protocol family
[  872.315266][T13058] l2tp_core: L2TP core driver, V2.0
[  872.322817][T13058] l2tp_ppp: PPPoL2TP kernel driver, V2.0
[  877.423303][T13137] ppp0: recursion detected
[  877.424749][    C3] ppp0: recursion detected
[  878.486865][T13096] ppp0: recursion detected