[  572.173206] gre: GRE over IPv4 demultiplexer driver
[  572.177673] ip6_gre: GRE over IPv6 tunneling driver
[  572.185002] ip6_tunnel: g1 xmit: Local address not yet configured!
[  572.189425] ip6_tunnel: g1 xmit: Local address not yet configured!
[  572.425104] ip6_tunnel: g2 xmit: Local address not yet configured!
[  572.429014] ip6_tunnel: g2 xmit: Local address not yet configured!