[ 1516.403134][ T2200] gre: GRE over IPv4 demultiplexer driver
[ 1516.902717][ T2223] ip_gre: GRE over IPv4 tunneling driver
[ 1523.362206][ T2476] ping (2476) used greatest stack depth: 22736 bytes left
[ 1534.416277][ T2796] ip6_gre: GRE over IPv6 tunneling driver
[ 1536.192001][T31767] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 1543.203930][T31788] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 1546.016903][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1548.127917][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1550.240912][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1552.351916][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!