Output of deepsea cli breaks when a node gets restarted

[jschmid1]

Description of Issue/Question

See: https://paste.opensuse.org/view//5375131 For relevant output

Steps to Reproduce Issue

Make sure that atleast one minion will be rebooted (either by adding a new kernel version, or removing the 'unless' statement from https://github.com/SUSE/DeepSea/blob/master/srv/salt/ceph/updates/restart/default.sls#L16)

then run the upgrade orchestration

deepsea stage run ceph.maintenance.upgrade

Versions

SLE15SP1 with salt 2018.2.x deepsea 0.9.10