[ 3225.320569][T29008] gre: GRE over IPv4 demultiplexor driver
[ 3226.854459][T29031] ip_gre: GRE over IPv4 tunneling driver
[ 3264.344012][T29604] ip6_gre: GRE over IPv6 tunneling driver
[ 3265.815577][T26252] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 3284.759501][T29947] ping (29947) used greatest stack depth: 22080 bytes left
[ 3289.048454][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3292.887466][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3296.215459][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3300.056455][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!