[   21.681199] gre: GRE over IPv4 demultiplexer driver
[   21.685643] ip6_gre: GRE over IPv6 tunneling driver
[   21.698361] ip6_tunnel: g1 xmit: Local address not yet configured!
[   21.712680] ip6_tunnel: g1 xmit: Local address not yet configured!
[   22.263032] ip6_tunnel: g2 xmit: Local address not yet configured!
[   22.273930] ip6_tunnel: g2 xmit: Local address not yet configured!