[ 4446.376442][T26047] gre: GRE over IPv4 demultiplexor driver
[ 4448.395280][T26070] ip_gre: GRE over IPv4 tunneling driver
[ 4508.931649][T26656] ip6_gre: GRE over IPv6 tunneling driver
[ 4550.962684][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4556.849605][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4561.777615][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4567.666593][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!