[  832.299868][T12122] PPP generic driver version 2.4.2
[  832.307027][T12122] NET: Registered PF_PPPOX protocol family
[  832.336426][T12122] l2tp_core: L2TP core driver, V2.0
[  832.342976][T12122] l2tp_ppp: PPPoL2TP kernel driver, V2.0
[  837.787543][T12207] ppp0: recursion detected
[  837.987029][    C2] ppp0: recursion detected
[  838.858110][T12158] ppp0: recursion detected