[ 3169.788484][T23673] gre: GRE over IPv4 demultiplexer driver
[ 3171.412871][T23696] ip_gre: GRE over IPv4 tunneling driver
[ 3219.548439][T24267] ip6_gre: GRE over IPv6 tunneling driver
[ 3247.801460][T24610] ping (24610) used greatest stack depth: 23616 bytes left
[ 3252.934471][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3257.798360][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3261.959347][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3266.822364][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!