[  255.385018] gre: GRE over IPv4 demultiplexer driver
[  255.389944] ip6_gre: GRE over IPv6 tunneling driver
[  255.393531] ip6_tunnel: g1 xmit: Local address not yet configured!
[  255.407777] ip6_tunnel: g1 xmit: Local address not yet configured!
[  255.562500] ip6_tunnel: g2 xmit: Local address not yet configured!
[  255.564997] ip6_tunnel: g2 xmit: Local address not yet configured!