[  893.599071][T12121] PPP generic driver version 2.4.2
[  893.605232][T12121] NET: Registered PF_PPPOX protocol family
[  893.627237][T12121] l2tp_core: L2TP core driver, V2.0
[  893.633078][T12121] l2tp_ppp: PPPoL2TP kernel driver, V2.0
[  898.914430][T12208] ppp0: recursion detected
[  899.981500][T12161] ppp0: recursion detected