[  596.433843] gre: GRE over IPv4 demultiplexer driver
[  596.438411] ip6_gre: GRE over IPv6 tunneling driver
[  596.452428] ip6_tunnel: g1 xmit: Local address not yet configured!
[  596.464082] ip6_tunnel: g1 xmit: Local address not yet configured!
[  597.083898] ip6_tunnel: g2 xmit: Local address not yet configured!
[  597.092875] ip6_tunnel: g2 xmit: Local address not yet configured!