[  597.547990] gre: GRE over IPv4 demultiplexer driver
[  597.552771] ip6_gre: GRE over IPv6 tunneling driver
[  597.566826] ip6_tunnel: g1 xmit: Local address not yet configured!
[  597.578694] ip6_tunnel: g1 xmit: Local address not yet configured!
[  598.191198] ip6_tunnel: g2 xmit: Local address not yet configured!
[  598.200921] ip6_tunnel: g2 xmit: Local address not yet configured!