[  595.162838] gre: GRE over IPv4 demultiplexer driver
[  595.166053] ip6_gre: GRE over IPv6 tunneling driver
[  595.169638] ip6_tunnel: g1 xmit: Local address not yet configured!
[  595.172738] ip6_tunnel: g1 xmit: Local address not yet configured!
[  595.328250] ip6_tunnel: g2 xmit: Local address not yet configured!
[  595.331146] ip6_tunnel: g2 xmit: Local address not yet configured!