[Bug 289142] sysutils/vm-bhyve: public bridge fails on 15-CURRENT unless net.link.bridge.member_ifaddrs=1 is set

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=289142

--- Comment #6 from Henryk Paluch <hpaluch@seznam.cz> ---
(In reply to Michael Osipov from comment #5)

I fully agree with your opinion but FreeBSD core team (and Linux Proxmox team)
think otherwise.

Main benefit of having DHCP IP assigned to NIC instead of bridge is that we can
manage vm-bhyve's bridges remotely without need of local console, because:

1. system normally boots with DHCP assigned address on NIC - remote access
works
2. vm-bhyve init scripts (creates and connects its bridges if configured)
3. we can remotely connect to machine after boot and create new "public" switch
without IP and connect it to NIC.

But when IP is assigned to Bridge we have kind of chicken and egg problem:

1. booting system where NIC is up but without IP address - only local console
working
2. we have to use local console to run vm-bhyve commands to create switch with
IP
3. only after point 2 - remote access will again start working (once devd rules
are fixed).

The only way to avoid this chicken and egg problem  is to define these bridges
(with IP address) system wide ("external" to vm-bhyve), but this reduces
usefulness of existing vm-bhyve framework.

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