[ 3551.730903][T17861] gre: GRE over IPv4 demultiplexor driver
[ 3553.789318][T17885] ip_gre: GRE over IPv4 tunneling driver
[ 3617.965104][T18458] ip6_gre: GRE over IPv6 tunneling driver
[ 3625.232393][T18519] ping (18519) used greatest stack depth: 23544 bytes left
[ 3660.741816][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3666.693709][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3671.749703][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3677.701734][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!