[  596.839877] gre: GRE over IPv4 demultiplexer driver
[  596.844336] ip6_gre: GRE over IPv6 tunneling driver
[  596.856708] ip6_tunnel: g1 xmit: Local address not yet configured!
[  596.867831] ip6_tunnel: g1 xmit: Local address not yet configured!
[  597.469114] ip6_tunnel: g2 xmit: Local address not yet configured!
[  597.480061] ip6_tunnel: g2 xmit: Local address not yet configured!