[ 4297.040623][T20435] gre: GRE over IPv4 demultiplexor driver
[ 4299.008667][T20458] ip_gre: GRE over IPv4 tunneling driver
[ 4358.374623][T21030] ip6_gre: GRE over IPv6 tunneling driver
[ 4400.687431][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4406.831362][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4411.887377][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4417.647424][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!