[  593.505786] gre: GRE over IPv4 demultiplexer driver
[  593.510464] ip6_gre: GRE over IPv6 tunneling driver
[  593.526671] ip6_tunnel: g1 xmit: Local address not yet configured!
[  593.537729] ip6_tunnel: g1 xmit: Local address not yet configured!
[  594.104281] ip6_tunnel: g2 xmit: Local address not yet configured!
[  594.113137] ip6_tunnel: g2 xmit: Local address not yet configured!