[  503.432571] gre: GRE over IPv4 demultiplexer driver
[  503.437856] ip6_gre: GRE over IPv6 tunneling driver
[  503.456586] ip6_tunnel: g1 xmit: Local address not yet configured!
[  503.469169] ip6_tunnel: g1 xmit: Local address not yet configured!
[  504.104998] ip6_tunnel: g2 xmit: Local address not yet configured!
[  504.117054] ip6_tunnel: g2 xmit: Local address not yet configured!