[  558.509398] gre: GRE over IPv4 demultiplexor driver
[  558.513790] ip6_gre: GRE over IPv6 tunneling driver
[  558.530518] ip6_tunnel: g1 xmit: Local address not yet configured!
[  558.541966] ip6_tunnel: g1 xmit: Local address not yet configured!
[  559.138156] ip6_tunnel: g2 xmit: Local address not yet configured!
[  559.148285] ip6_tunnel: g2 xmit: Local address not yet configured!