[   51.352950] gre: GRE over IPv4 demultiplexer driver
[   51.356832] ip6_gre: GRE over IPv6 tunneling driver
[   51.369895] ip6_tunnel: g1 xmit: Local address not yet configured!
[   51.380288] ip6_tunnel: g1 xmit: Local address not yet configured!
[   51.881778] ip6_tunnel: g2 xmit: Local address not yet configured!
[   51.890754] ip6_tunnel: g2 xmit: Local address not yet configured!