[ 4107.689642][T28695] gre: GRE over IPv4 demultiplexer driver
[ 4109.293794][T28718] ip_gre: GRE over IPv4 tunneling driver
[ 4157.936965][T29296] ip6_gre: GRE over IPv6 tunneling driver
[ 4181.704999][T29589] ping (29589) used greatest stack depth: 23008 bytes left
[ 4190.750876][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4195.486826][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4199.582852][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4204.318861][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!