[  872.468946][T11243] PPP generic driver version 2.4.2
[  872.477226][T11243] NET: Registered PF_PPPOX protocol family
[  872.496496][T11243] l2tp_core: L2TP core driver, V2.0
[  872.502321][T11243] l2tp_ppp: PPPoL2TP kernel driver, V2.0
[  877.729708][T11322] ppp0: recursion detected
[  878.784092][T11281] ppp0: recursion detected