[ 3182.105473][T27839] gre: GRE over IPv4 demultiplexor driver
[ 3183.251810][T27862] ip_gre: GRE over IPv4 tunneling driver
[ 3219.886661][T28433] ip6_gre: GRE over IPv6 tunneling driver
[ 3235.020343][T28683] ping (28683) used greatest stack depth: 23632 bytes left
[ 3240.571873][T28777] ping (28777) used greatest stack depth: 23360 bytes left
[ 3244.907353][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3248.810328][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3252.139288][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3256.042310][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!