[  576.493752] gre: GRE over IPv4 demultiplexer driver
[  576.497678] ip6_gre: GRE over IPv6 tunneling driver
[  576.507131] ip6_tunnel: g1 xmit: Local address not yet configured!
[  576.511449] ip6_tunnel: g1 xmit: Local address not yet configured!
[  576.769425] ip6_tunnel: g2 xmit: Local address not yet configured!
[  576.773671] ip6_tunnel: g2 xmit: Local address not yet configured!