[  501.536873] gre: GRE over IPv4 demultiplexer driver
[  501.541083] ip6_gre: GRE over IPv6 tunneling driver
[  501.544793] ip6_tunnel: g1 xmit: Local address not yet configured!
[  501.549726] ip6_tunnel: g1 xmit: Local address not yet configured!
[  501.714620] ip6_tunnel: g2 xmit: Local address not yet configured!
[  501.717370] ip6_tunnel: g2 xmit: Local address not yet configured!