[   21.807626] gre: GRE over IPv4 demultiplexer driver
[   21.813034] ip6_gre: GRE over IPv6 tunneling driver
[   21.827827] ip6_tunnel: g1 xmit: Local address not yet configured!
[   21.837995] ip6_tunnel: g1 xmit: Local address not yet configured!
[   22.440335] ip6_tunnel: g2 xmit: Local address not yet configured!
[   22.450182] ip6_tunnel: g2 xmit: Local address not yet configured!