[  508.920738] gre: GRE over IPv4 demultiplexer driver
[  508.926013] ip6_gre: GRE over IPv6 tunneling driver
[  508.942206] ip6_tunnel: g1 xmit: Local address not yet configured!
[  508.955851] ip6_tunnel: g1 xmit: Local address not yet configured!
[  509.670528] ip6_tunnel: g2 xmit: Local address not yet configured!
[  509.682913] ip6_tunnel: g2 xmit: Local address not yet configured!