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Leigh B Stoller authored
is off, this is just the control net interface (xenbr0). But when XENVIFROUTING is on, we want to listen on the control net bridge plus all of the container vifs. Since these are not created until the container is started, we have to call restartDHCP from emulab-cnet (we were already doing that), and now we also call reconfigDHCP() when the contain is destroyed so that interface list is correct (note that DHCPD does not seem to care if an interface dissappears, or even if an interface does not exist when starting. The main point here, is that on shared nodes we have to restrict the number of interfaces that DHCPd listens on (or even looks at) since it can be 100s, and dhcpd was taking well over a minute to start up each time. Aside; minor change to not look at the IP config for bridges, just the mac. Takes to long when there are 100s of bridges.
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