[  593.067788] gre: GRE over IPv4 demultiplexer driver
[  593.071037] ip6_gre: GRE over IPv6 tunneling driver
[  593.075287] ip6_tunnel: g1 xmit: Local address not yet configured!
[  593.078936] ip6_tunnel: g1 xmit: Local address not yet configured!
[  593.250925] ip6_tunnel: g2 xmit: Local address not yet configured!
[  593.254012] ip6_tunnel: g2 xmit: Local address not yet configured!