[  500.995918] gre: GRE over IPv4 demultiplexer driver
[  501.000623] ip6_gre: GRE over IPv6 tunneling driver
[  501.003763] ip6_tunnel: g1 xmit: Local address not yet configured!
[  501.006367] ip6_tunnel: g1 xmit: Local address not yet configured!
[  501.154805] ip6_tunnel: g2 xmit: Local address not yet configured!
[  501.157454] ip6_tunnel: g2 xmit: Local address not yet configured!