[  593.521647] gre: GRE over IPv4 demultiplexer driver
[  593.525873] ip6_gre: GRE over IPv6 tunneling driver
[  593.539518] ip6_tunnel: g1 xmit: Local address not yet configured!
[  593.552203] ip6_tunnel: g1 xmit: Local address not yet configured!
[  594.097576] ip6_tunnel: g2 xmit: Local address not yet configured!
[  594.106997] ip6_tunnel: g2 xmit: Local address not yet configured!