> Does 2.6.24-ovz use the namespace code parts merged in 2.6.24?

Sure. We even backport these patches back to our branch to use and test it.

> Is there any target for an OpenVZ merge into mainline (or at least a
> merge of the network parts)?

I think it's hard to predict exactly...

Our current plan is to have IPv4/routing/rules virtualization in a 1-2 months,
IPv6 should go faster after that (~1 month).
Then vlan, tun/tap, netfilters and other features.

Thanks,
Kirill