[  817.644754][T12121] PPP generic driver version 2.4.2
[  817.651461][T12121] NET: Registered PF_PPPOX protocol family
[  817.680784][T12121] l2tp_core: L2TP core driver, V2.0
[  817.690651][T12121] l2tp_ppp: PPPoL2TP kernel driver, V2.0
[  823.006018][T12201] ppp0: recursion detected
[  824.089615][T12160] ppp0: recursion detected