[  857.416154] gre: GRE over IPv4 demultiplexer driver
[  857.420453] ip6_gre: GRE over IPv6 tunneling driver
[  857.435326] ip6_tunnel: g1 xmit: Local address not yet configured!
[  857.447090] ip6_tunnel: g1 xmit: Local address not yet configured!
[  858.042079] ip6_tunnel: g2 xmit: Local address not yet configured!
[  858.051813] ip6_tunnel: g2 xmit: Local address not yet configured!