[ 3168.993325][T29055] gre: GRE over IPv4 demultiplexor driver
[ 3170.199991][T29079] ip_gre: GRE over IPv4 tunneling driver
[ 3205.506566][T29651] ip6_gre: GRE over IPv6 tunneling driver
[ 3206.824780][T13935] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 3217.832577][T13935] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 3220.846934][T13935] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 3230.056621][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3233.832489][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3237.097485][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3240.936502][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3288.313548][T30990] ping (30990) used greatest stack depth: 23104 bytes left