[  521.894355] gre: GRE over IPv4 demultiplexer driver
[  521.897304] ip6_gre: GRE over IPv6 tunneling driver
[  521.901660] ip6_tunnel: g1 xmit: Local address not yet configured!
[  521.905314] ip6_tunnel: g1 xmit: Local address not yet configured!
[  522.078478] ip6_tunnel: g2 xmit: Local address not yet configured!
[  522.081813] ip6_tunnel: g2 xmit: Local address not yet configured!