[  575.517005] gre: GRE over IPv4 demultiplexer driver
[  575.520079] ip6_gre: GRE over IPv6 tunneling driver
[  575.525921] ip6_tunnel: g1 xmit: Local address not yet configured!
[  575.529536] ip6_tunnel: g1 xmit: Local address not yet configured!
[  575.723655] ip6_tunnel: g2 xmit: Local address not yet configured!
[  575.727375] ip6_tunnel: g2 xmit: Local address not yet configured!