for each host in DOSARRAY_PHYSICAL_HOSTS_PUB check to see that the host responds, it's running docker, it has the image available, has networking configured, and that its network settings match what src/dosarray_configure_networking.sh would have configured.
for each host in
DOSARRAY_PHYSICAL_HOSTS_PUBcheck to see that the host responds, it's running docker, it has the image available, has networking configured, and that its network settings match whatsrc/dosarray_configure_networking.shwould have configured.