Thanks for the detailed explanation. The crux of the issue seems to be:
Unfortunately, Bonjour prefers the 169.253 subnet and when a reboot happens it resets the management port to use that subnet.
If I understand correctly, you configured a static IP address in your 10.0.0.0/16 network, but upon rebooting, the H9000R either forgot this static IP address configuration and switched to zeroconf (link-local) addressing, or was advertising Bonjour services for both the static address and the link-local one and emote preferred the latter. Perhaps it sends out a spurious Bonjour advertisement for a link-local address in the startup process before the static address is configured. In any case, it sounds like we have enough information to reproduce the problem.