[  577.645617] gre: GRE over IPv4 demultiplexer driver
[  577.650204] ip6_gre: GRE over IPv6 tunneling driver
[  577.654407] ip6_tunnel: g1 xmit: Local address not yet configured!
[  577.657455] ip6_tunnel: g1 xmit: Local address not yet configured!
[  577.804334] ip6_tunnel: g2 xmit: Local address not yet configured!
[  577.807295] ip6_tunnel: g2 xmit: Local address not yet configured!