[   27.615801] gre: GRE over IPv4 demultiplexer driver
[   27.622395] ip6_gre: GRE over IPv6 tunneling driver
[   27.639213] ip6_tunnel: g1 xmit: Local address not yet configured!
[   27.653431] ip6_tunnel: g1 xmit: Local address not yet configured!
[   28.249933] ip6_tunnel: g2 xmit: Local address not yet configured!
[   28.258465] ip6_tunnel: g2 xmit: Local address not yet configured!