[ 3235.539658][T23674] gre: GRE over IPv4 demultiplexer driver
[ 3237.128650][T23697] ip_gre: GRE over IPv4 tunneling driver
[ 3285.001228][T24269] ip6_gre: GRE over IPv6 tunneling driver
[ 3305.330146][T24518] ping (24518) used greatest stack depth: 23552 bytes left
[ 3309.105374][T10540] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 3317.746173][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3322.545213][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3326.705191][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3331.570180][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3497.226234][T26782] ping (26782) used greatest stack depth: 23456 bytes left