[  597.624748] gre: GRE over IPv4 demultiplexer driver
[  597.628963] ip6_gre: GRE over IPv6 tunneling driver
[  597.644658] ip6_tunnel: g1 xmit: Local address not yet configured!
[  597.656350] ip6_tunnel: g1 xmit: Local address not yet configured!
[  598.226882] ip6_tunnel: g2 xmit: Local address not yet configured!
[  598.237836] ip6_tunnel: g2 xmit: Local address not yet configured!