[  595.551278] gre: GRE over IPv4 demultiplexer driver
[  595.554688] ip6_gre: GRE over IPv6 tunneling driver
[  595.566212] ip6_tunnel: g1 xmit: Local address not yet configured!
[  595.575172] ip6_tunnel: g1 xmit: Local address not yet configured!
[  596.048595] ip6_tunnel: g2 xmit: Local address not yet configured!
[  596.057558] ip6_tunnel: g2 xmit: Local address not yet configured!