[  597.850305] gre: GRE over IPv4 demultiplexer driver
[  597.854719] ip6_gre: GRE over IPv6 tunneling driver
[  597.868910] ip6_tunnel: g1 xmit: Local address not yet configured!
[  597.879534] ip6_tunnel: g1 xmit: Local address not yet configured!
[  598.469757] ip6_tunnel: g2 xmit: Local address not yet configured!
[  598.479563] ip6_tunnel: g2 xmit: Local address not yet configured!