[  592.554045] gre: GRE over IPv4 demultiplexer driver
[  592.558813] ip6_gre: GRE over IPv6 tunneling driver
[  592.573032] ip6_tunnel: g1 xmit: Local address not yet configured!
[  592.584061] ip6_tunnel: g1 xmit: Local address not yet configured!
[  593.109148] ip6_tunnel: g2 xmit: Local address not yet configured!
[  593.118329] ip6_tunnel: g2 xmit: Local address not yet configured!