[ 1593.200453][ T2910] gre: GRE over IPv4 demultiplexer driver
[ 1593.662983][ T2933] ip_gre: GRE over IPv4 tunneling driver
[ 1609.414610][ T3504] ip6_gre: GRE over IPv6 tunneling driver
[ 1614.949499][ T3754] ping (3754) used greatest stack depth: 22384 bytes left
[ 1619.793508][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1621.777658][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1623.633660][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1625.680670][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!