[  255.550382] gre: GRE over IPv4 demultiplexer driver
[  255.554889] ip6_gre: GRE over IPv6 tunneling driver
[  255.558369] ip6_tunnel: g1 xmit: Local address not yet configured!
[  255.580497] ip6_tunnel: g1 xmit: Local address not yet configured!
[  255.735404] ip6_tunnel: g2 xmit: Local address not yet configured!
[  255.738312] ip6_tunnel: g2 xmit: Local address not yet configured!