[  255.872542] gre: GRE over IPv4 demultiplexer driver
[  255.876887] ip6_gre: GRE over IPv6 tunneling driver
[  255.881541] ip6_tunnel: g1 xmit: Local address not yet configured!
[  255.884669] ip6_tunnel: g1 xmit: Local address not yet configured!
[  256.064661] ip6_tunnel: g2 xmit: Local address not yet configured!
[  256.067785] ip6_tunnel: g2 xmit: Local address not yet configured!