[ 4432.932522][T26079] gre: GRE over IPv4 demultiplexor driver
[ 4434.994444][T26102] ip_gre: GRE over IPv4 tunneling driver
[ 4496.371219][T26673] ip6_gre: GRE over IPv6 tunneling driver
[ 4503.376847][T26735] ping (26735) used greatest stack depth: 23152 bytes left
[ 4537.777476][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4543.602265][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4548.466304][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4554.418279][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!