[  572.992556] gre: GRE over IPv4 demultiplexer driver
[  572.995729] ip6_gre: GRE over IPv6 tunneling driver
[  573.002161] ip6_tunnel: g1 xmit: Local address not yet configured!
[  573.006910] ip6_tunnel: g1 xmit: Local address not yet configured!
[  573.241101] ip6_tunnel: g2 xmit: Local address not yet configured!
[  573.245420] ip6_tunnel: g2 xmit: Local address not yet configured!