[  442.408672] gre: GRE over IPv4 demultiplexer driver
[  442.411732] ip6_gre: GRE over IPv6 tunneling driver
[  442.416015] ip6_tunnel: g1 xmit: Local address not yet configured!
[  442.419520] ip6_tunnel: g1 xmit: Local address not yet configured!
[  442.605414] ip6_tunnel: g2 xmit: Local address not yet configured!
[  442.608606] ip6_tunnel: g2 xmit: Local address not yet configured!