[ 3207.758819][T23673] gre: GRE over IPv4 demultiplexer driver
[ 3209.382516][T23696] ip_gre: GRE over IPv4 tunneling driver
[ 3257.541427][T24267] ip6_gre: GRE over IPv6 tunneling driver
[ 3286.058746][T24611] ping (24611) used greatest stack depth: 23264 bytes left
[ 3291.450147][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3296.442040][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3300.665159][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3305.465065][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!