[   51.932304] gre: GRE over IPv4 demultiplexer driver
[   51.936840] ip6_gre: GRE over IPv6 tunneling driver
[   51.951241] ip6_tunnel: g1 xmit: Local address not yet configured!
[   51.963790] ip6_tunnel: g1 xmit: Local address not yet configured!
[   52.503364] ip6_tunnel: g2 xmit: Local address not yet configured!
[   52.512592] ip6_tunnel: g2 xmit: Local address not yet configured!