[  500.074816] gre: GRE over IPv4 demultiplexer driver
[  500.078232] ip6_gre: GRE over IPv6 tunneling driver
[  500.081750] ip6_tunnel: g1 xmit: Local address not yet configured!
[  500.084449] ip6_tunnel: g1 xmit: Local address not yet configured!
[  500.269637] ip6_tunnel: g2 xmit: Local address not yet configured!
[  500.272881] ip6_tunnel: g2 xmit: Local address not yet configured!