[ 2867.905984][T23673] gre: GRE over IPv4 demultiplexer driver
[ 2869.460796][T23696] ip_gre: GRE over IPv4 tunneling driver
[ 2916.498435][T24267] ip6_gre: GRE over IPv6 tunneling driver
[ 2936.894477][T24516] ping (24516) used greatest stack depth: 22928 bytes left
[ 2949.480661][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 2954.344569][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 2958.504558][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 2963.369569][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!