[  598.416807] gre: GRE over IPv4 demultiplexer driver
[  598.421275] ip6_gre: GRE over IPv6 tunneling driver
[  598.435205] ip6_tunnel: g1 xmit: Local address not yet configured!
[  598.449802] ip6_tunnel: g1 xmit: Local address not yet configured!
[  599.071930] ip6_tunnel: g2 xmit: Local address not yet configured!
[  599.082043] ip6_tunnel: g2 xmit: Local address not yet configured!