[ 4708.060463][T24620] gre: GRE over IPv4 demultiplexor driver
[ 4710.229457][T24643] ip_gre: GRE over IPv4 tunneling driver
[ 4773.786167][T25222] ip6_gre: GRE over IPv6 tunneling driver
[ 4818.132223][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4824.404134][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4829.716175][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4835.797158][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!