[ 3169.492408][T27957] gre: GRE over IPv4 demultiplexor driver
[ 3170.703605][T27980] ip_gre: GRE over IPv4 tunneling driver
[ 3206.404789][T28553] ip6_gre: GRE over IPv6 tunneling driver
[ 3230.576431][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3234.288315][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3237.489314][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3241.264324][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!