$ balance_pool -n -t 8 cq coral

# Balancing coral cq pool:
# Total 0 DUTs, 0 working, 0 broken, 0 reserved.
# Target is 8 working DUTs; grow pool by 8 DUTs.
# coral cq pool has 37 spares available.
# coral cq pool will return 0 broken DUTs, leaving 0 still in the pool.
# Transferring 8 DUTs from suites to cq.
atest label remove -m chromeos2-row4-rack10-host1 pool:suites
atest label add -m chromeos2-row4-rack10-host1 pool:cq
atest label remove -m chromeos2-row4-rack10-host8 pool:suites
atest label add -m chromeos2-row4-rack10-host8 pool:cq
atest label remove -m chromeos2-row4-rack10-host9 pool:suites
atest label add -m chromeos2-row4-rack10-host9 pool:cq
atest label remove -m chromeos2-row4-rack10-host12 pool:suites
atest label add -m chromeos2-row4-rack10-host12 pool:cq
atest label remove -m chromeos2-row6-rack6-host1 pool:suites
atest label add -m chromeos2-row6-rack6-host1 pool:cq
atest label remove -m chromeos2-row6-rack6-host2 pool:suites
atest label add -m chromeos2-row6-rack6-host2 pool:cq
atest label remove -m chromeos2-row6-rack6-host3 pool:suites
atest label add -m chromeos2-row6-rack6-host3 pool:cq
atest label remove -m chromeos2-row6-rack6-host4 pool:suites
atest label add -m chromeos2-row6-rack6-host4 pool:cq


Nowhere in that logging does it actually verify that it is dryrun, which scared me and caused me to chase after the hosts to see that they weren't modified.