[ 4468.213307][T22411] gre: GRE over IPv4 demultiplexor driver
[ 4470.387369][T22434] ip_gre: GRE over IPv4 tunneling driver
[ 4532.218985][T23007] ip6_gre: GRE over IPv6 tunneling driver
[ 4576.520666][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4582.344602][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4587.336677][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4593.479594][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!