[  393.424316] gre: GRE over IPv4 demultiplexer driver
[  393.427811] ip6_gre: GRE over IPv6 tunneling driver
[  393.431026] ip6_tunnel: g1 xmit: Local address not yet configured!
[  393.433838] ip6_tunnel: g1 xmit: Local address not yet configured!
[  393.593531] ip6_tunnel: g2 xmit: Local address not yet configured!
[  393.596475] ip6_tunnel: g2 xmit: Local address not yet configured!