[  323.245791][ T3136] gre: GRE over IPv4 demultiplexor driver
[  324.795210][ T3159] ip_gre: GRE over IPv4 tunneling driver
[  327.456830][ T3202] ip (3202) used greatest stack depth: 23520 bytes left
[  370.111153][ T3733] ip6_gre: GRE over IPv6 tunneling driver
[  401.308046][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  406.043989][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  410.075982][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  414.747948][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  571.403401][ T6255] ping (6255) used greatest stack depth: 23424 bytes left