[   88.381023] gre: GRE over IPv4 demultiplexer driver
[   88.385792] ip6_gre: GRE over IPv6 tunneling driver
[   88.399734] ip6_tunnel: g1 xmit: Local address not yet configured!
[   88.411794] ip6_tunnel: g1 xmit: Local address not yet configured!
[   89.059244] ip6_tunnel: g2 xmit: Local address not yet configured!
[   89.069890] ip6_tunnel: g2 xmit: Local address not yet configured!