[  821.394562][T12120] PPP generic driver version 2.4.2
[  821.408419][T12120] NET: Registered PF_PPPOX protocol family
[  821.434177][T12120] l2tp_core: L2TP core driver, V2.0
[  821.442518][T12120] l2tp_ppp: PPPoL2TP kernel driver, V2.0
[  826.852877][T12203] ppp0: recursion detected
[  827.911898][T12159] ppp0: recursion detected