[  220.756897] gre: GRE over IPv4 demultiplexer driver
[  220.761287] ip6_gre: GRE over IPv6 tunneling driver
[  220.773123] ip6_tunnel: g1 xmit: Local address not yet configured!
[  220.783787] ip6_tunnel: g1 xmit: Local address not yet configured!
[  221.339971] ip6_tunnel: g2 xmit: Local address not yet configured!
[  221.349873] ip6_tunnel: g2 xmit: Local address not yet configured!