[  596.081845] gre: GRE over IPv4 demultiplexer driver
[  596.087110] ip6_gre: GRE over IPv6 tunneling driver
[  596.105443] ip6_tunnel: g1 xmit: Local address not yet configured!
[  596.118031] ip6_tunnel: g1 xmit: Local address not yet configured!
[  596.790366] ip6_tunnel: g2 xmit: Local address not yet configured!
[  596.801708] ip6_tunnel: g2 xmit: Local address not yet configured!