[ 4407.685204][T22408] gre: GRE over IPv4 demultiplexor driver
[ 4409.767990][T22431] ip_gre: GRE over IPv4 tunneling driver
[ 4471.668135][T23006] ip6_gre: GRE over IPv6 tunneling driver
[ 4513.792902][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4519.681792][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4524.608842][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4530.625803][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!