[   27.484569] gre: GRE over IPv4 demultiplexer driver
[   27.489022] ip6_gre: GRE over IPv6 tunneling driver
[   27.503130] ip6_tunnel: g1 xmit: Local address not yet configured!
[   27.515954] ip6_tunnel: g1 xmit: Local address not yet configured!
[   28.076566] ip6_tunnel: g2 xmit: Local address not yet configured!
[   28.084608] ip6_tunnel: g2 xmit: Local address not yet configured!