Optimize _filter_units_by_property by calling `systemctl` only once with a list of units, and not once per unit. I could not reproduce the "Unknown unit" error mentioned in a FIXME, which might have made this necessary previously.
Optimize _filter_units_by_property by calling `systemctl` only once with a list of units, and not once per unit. I could not reproduce the "Unknown unit" error mentioned in a FIXME, which might have made this necessary previously.