[ 3181.924964][T27863] gre: GRE over IPv4 demultiplexor driver
[ 3183.356028][T27886] ip_gre: GRE over IPv4 tunneling driver
[ 3224.525923][T28473] ip6_gre: GRE over IPv6 tunneling driver
[ 3233.935205][T28629] ping (28629) used greatest stack depth: 23408 bytes left
[ 3234.353556][T28578] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 3239.100811][T28723] ping (28723) used greatest stack depth: 21992 bytes left
[ 3248.368423][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3252.016423][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3255.217419][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3258.928437][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!