[ 1567.192433][ T2132] gre: GRE over IPv4 demultiplexer driver
[ 1567.678134][ T2155] ip_gre: GRE over IPv4 tunneling driver
[ 1584.171701][ T2730] ip6_gre: GRE over IPv6 tunneling driver
[ 1588.864890][ T2931] ping (2931) used greatest stack depth: 23536 bytes left
[ 1590.003486][ T2981] ping (2981) used greatest stack depth: 23136 bytes left
[ 1595.046319][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1597.158232][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1599.078243][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1601.190238][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!