[  507.092633] gre: GRE over IPv4 demultiplexer driver
[  507.095846] ip6_gre: GRE over IPv6 tunneling driver
[  507.100703] ip6_tunnel: g1 xmit: Local address not yet configured!
[  507.105941] ip6_tunnel: g1 xmit: Local address not yet configured!
[  507.272527] ip6_tunnel: g2 xmit: Local address not yet configured!
[  507.275356] ip6_tunnel: g2 xmit: Local address not yet configured!