[  872.505773][T12979] PPP generic driver version 2.4.2
[  872.517720][T12979] NET: Registered PF_PPPOX protocol family
[  872.536345][T12979] l2tp_core: L2TP core driver, V2.0
[  872.543146][T12979] l2tp_ppp: PPPoL2TP kernel driver, V2.0
[  877.858431][T13058] ppp0: recursion detected
[  878.919506][T13016] ppp0: recursion detected