[ 4431.809234][T25963] gre: GRE over IPv4 demultiplexor driver
[ 4433.995539][T25986] ip_gre: GRE over IPv4 tunneling driver
[ 4496.354449][T26560] ip6_gre: GRE over IPv6 tunneling driver
[ 4539.771817][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4545.723742][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4550.844720][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4556.668726][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!