[ 1104.163622] gre: GRE over IPv4 demultiplexer driver
[ 1104.169719] ip6_gre: GRE over IPv6 tunneling driver
[ 1104.186688] ip6_tunnel: g1 xmit: Local address not yet configured!
[ 1104.199812] ip6_tunnel: g1 xmit: Local address not yet configured!
[ 1104.850078] ip6_tunnel: g2 xmit: Local address not yet configured!
[ 1104.860297] ip6_tunnel: g2 xmit: Local address not yet configured!