[  596.615096] gre: GRE over IPv4 demultiplexer driver
[  596.620178] ip6_gre: GRE over IPv6 tunneling driver
[  596.635647] ip6_tunnel: g1 xmit: Local address not yet configured!
[  596.647162] ip6_tunnel: g1 xmit: Local address not yet configured!
[  597.224840] ip6_tunnel: g2 xmit: Local address not yet configured!
[  597.235146] ip6_tunnel: g2 xmit: Local address not yet configured!