[  861.742384][T12961] PPP generic driver version 2.4.2
[  861.748521][T12961] NET: Registered PF_PPPOX protocol family
[  861.771388][T12961] l2tp_core: L2TP core driver, V2.0
[  861.777232][T12961] l2tp_ppp: PPPoL2TP kernel driver, V2.0
[  867.168111][T13039] ppp0: recursion detected
[  868.228461][T12993] ppp0: recursion detected