[  255.467933] gre: GRE over IPv4 demultiplexer driver
[  255.472832] ip6_gre: GRE over IPv6 tunneling driver
[  255.477715] ip6_tunnel: g1 xmit: Local address not yet configured!
[  255.481306] ip6_tunnel: g1 xmit: Local address not yet configured!
[  255.657438] ip6_tunnel: g2 xmit: Local address not yet configured!
[  255.661169] ip6_tunnel: g2 xmit: Local address not yet configured!