[  821.921639][T12122] PPP generic driver version 2.4.2
[  821.929201][T12122] NET: Registered PF_PPPOX protocol family
[  821.946812][T12122] l2tp_core: L2TP core driver, V2.0
[  821.954530][T12122] l2tp_ppp: PPPoL2TP kernel driver, V2.0
[  827.284372][T12201] ppp0: recursion detected
[  828.351886][T12158] ppp0: recursion detected