[  597.638195] gre: GRE over IPv4 demultiplexer driver
[  597.642637] ip6_gre: GRE over IPv6 tunneling driver
[  597.656508] ip6_tunnel: g1 xmit: Local address not yet configured!
[  597.670450] ip6_tunnel: g1 xmit: Local address not yet configured!
[  598.291528] ip6_tunnel: g2 xmit: Local address not yet configured!
[  598.301983] ip6_tunnel: g2 xmit: Local address not yet configured!