[  596.862944] gre: GRE over IPv4 demultiplexer driver
[  596.866101] ip6_gre: GRE over IPv6 tunneling driver
[  596.869447] ip6_tunnel: g1 xmit: Local address not yet configured!
[  596.872081] ip6_tunnel: g1 xmit: Local address not yet configured!
[  597.029889] ip6_tunnel: g2 xmit: Local address not yet configured!
[  597.032468] ip6_tunnel: g2 xmit: Local address not yet configured!