[  872.569564][T11104] PPP generic driver version 2.4.2
[  872.575365][T11104] NET: Registered PF_PPPOX protocol family
[  872.599134][T11104] l2tp_core: L2TP core driver, V2.0
[  872.605395][T11104] l2tp_ppp: PPPoL2TP kernel driver, V2.0
[  880.698915][T11275] ppp0: recursion detected
[  881.757056][T11142] ppp0: recursion detected