[ 3184.101167][T23677] gre: GRE over IPv4 demultiplexer driver
[ 3185.808725][T23700] ip_gre: GRE over IPv4 tunneling driver
[ 3234.110752][T24272] ip6_gre: GRE over IPv6 tunneling driver
[ 3255.045254][T24522] ping (24522) used greatest stack depth: 23008 bytes left
[ 3267.869958][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3272.796859][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3277.020858][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3281.949847][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!