[  571.344087] gre: GRE over IPv4 demultiplexer driver
[  571.348509] ip6_gre: GRE over IPv6 tunneling driver
[  571.357621] ip6_tunnel: g1 xmit: Local address not yet configured!
[  571.361939] ip6_tunnel: g1 xmit: Local address not yet configured!
[  571.596773] ip6_tunnel: g2 xmit: Local address not yet configured!
[  571.600850] ip6_tunnel: g2 xmit: Local address not yet configured!