[ 1647.954769][T28814] gre: GRE over IPv4 demultiplexer driver
[ 1648.418334][T28837] ip_gre: GRE over IPv4 tunneling driver
[ 1653.823779][T29090] ping (29090) used greatest stack depth: 23328 bytes left
[ 1663.955605][T29413] ip6_gre: GRE over IPv6 tunneling driver
[ 1674.191725][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1676.174701][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1677.966705][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1679.950708][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!