gistfile1.txt

host> closures copied successfully
host> stopping the following units: network-addresses-eth0.service
Timeout, server <IP> not responding.
radius1> error: Traceback (most recent call last):                                                                                                                            
  File "/nix/store/gicdzshv0vc4wpqcmd4dgjvannzb0i1v-nixops-1.5.1/lib/python2.7/site-packages/nixops/deployment.py", line 705, in worker                                       
    raise Exception("unable to activate new configuration")                                                                                                                   
Exception: unable to activate new configuration                                                                                                                               

error: activation of 1 of 1 machines failed (namely on ‘host’)