Resolved this myself. It appears the bridge control features are very different now.
Changing;
auto vmbr0:0
iface vmbr0:0 inet static
address 192.168.0.218
netmask 255.255.255.0
broadcast 192.168.0.255
network 192.168.0.0
bridge_ports eth0:0...
My apologies. I moved it since the original was in the wrong category. This issue pertains to VE 3.x NOT VE 1.x. If it were possible to delete or recategorize the first I would have.
We've been using the following network configuration on our hardware nodes for several years without any issues under VE 2.2 and 2.3. We've just started building some new nodes with VE 3.x and have run into problems. Essentially the aliased interfaces are created but do not have any...