[ 1535.969136][T31336] gre: GRE over IPv4 demultiplexer driver
[ 1536.423646][T31359] ip_gre: GRE over IPv4 tunneling driver
[ 1552.283774][T31931] ip6_gre: GRE over IPv6 tunneling driver
[ 1556.883076][   T65] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 1558.900033][ T6387] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 1562.676000][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1564.659997][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1566.516001][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1568.499000][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1623.822906][ T2098] ping (2098) used greatest stack depth: 23360 bytes left