[  597.691969] gre: GRE over IPv4 demultiplexer driver
[  597.696397] ip6_gre: GRE over IPv6 tunneling driver
[  597.710704] ip6_tunnel: g1 xmit: Local address not yet configured!
[  597.722128] ip6_tunnel: g1 xmit: Local address not yet configured!
[  598.268379] ip6_tunnel: g2 xmit: Local address not yet configured!
[  598.277757] ip6_tunnel: g2 xmit: Local address not yet configured!