[ 4084.246391][T28728] gre: GRE over IPv4 demultiplexer driver
[ 4085.805961][T28751] ip_gre: GRE over IPv4 tunneling driver
[ 4133.256146][T29328] ip6_gre: GRE over IPv6 tunneling driver
[ 4153.474203][T29578] ping (29578) used greatest stack depth: 23440 bytes left
[ 4156.809131][T29622] ping (29622) used greatest stack depth: 23360 bytes left
[ 4165.863067][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4170.598974][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4174.631949][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4179.430982][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!