[ 3196.252478][T23673] gre: GRE over IPv4 demultiplexer driver
[ 3197.899411][T23696] ip_gre: GRE over IPv4 tunneling driver
[ 3246.700170][T24274] ip6_gre: GRE over IPv6 tunneling driver
[ 3267.486926][T24523] ping (24523) used greatest stack depth: 23648 bytes left
[ 3280.446678][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3285.501603][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3289.725595][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3294.653608][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!