No spaces on "Your server has not managed to confirm..." when showing both IPv4 and IPv6 addresses

When I attempt to move a relay to a new ISP and rebooted my OPNsense box, I got this message:

Aug 26 13:09:10.000 [warn] Your server has not managed to confirm reachability for its ORPort(s) at IPv4:143and[IPv6]:143. Relays do not publish descriptors until their ORPort and DirPort are reachable. Please check your firewalls, ports, address, /etc/hosts file, etc.

One thing I noticed is there's no spaces in IPv4:143and[IPv6]:143. We should fix this

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