[  335.837947][ T2862] gre: GRE over IPv4 demultiplexor driver
[  337.449338][ T2885] ip_gre: GRE over IPv4 tunneling driver
[  385.999809][ T3457] ip6_gre: GRE over IPv6 tunneling driver
[  406.711835][ T3706] ping (3706) used greatest stack depth: 23440 bytes left
[  419.393839][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  424.257796][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  428.546032][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  433.474783][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!