[ 2561.318109][T17622] gre: GRE over IPv4 demultiplexor driver
[ 2563.707066][T17652] ip_gre: GRE over IPv4 tunneling driver
[ 2624.731799][T18230] ip6_gre: GRE over IPv6 tunneling driver
[ 2666.090699][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 2671.979606][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 2676.842552][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 2682.730547][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!