https://10.128.32.72/display/DSCDOC170/In-container+Decommissioning+a+Routing+or+Application+VM
To decommission a Routing or Application VM
Step 6:
AVAILABLE SOFTWARE VERSIONS
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No new load detected on system. Upload and run load .sh file on /var/log before attempting upgrade.
VM (current)      dsc_vm_17_0_0_nb20180613  OS: 7_4_0-1_5
    (Servicepack)  [none applied]
CPU (previous)     Not_Available  OS: N/A
    (Servicepack)

RUNNING SOFTWARE VERSIONS (*=update required, ?=update unknown)
          VM                    BUILD     SERVICE  O/S
-SLOT----TYPE----------RELEASE--VERSION----PACK---IMAGE-------SLOT STATUS---
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Slot  1 ROUTING_MGMT   17.0.0 (nb20180613) SP:    OS: 7_4_0-1_5  28 procs running
Slot  2 ROUTING_MGMT   17.0.0 (nb20180613) SP:    OS: 7_4_0-1_5  28 procs running
Slot  3 ROUTING                 17.0.0 (nb20180613) SP:    OS: 7_4_0-1_5    9 procs running

(p=servicepack is partially applied)
Select VM Slot number (3 ) to decommissioning an optional VM.
Enter slot # or ENTER to cancel: 3


Step 7:
Software update for VMs
Determining running and current software version. Please wait...
Running on VM (slot3_0):
                -Load:                                   dsc_vm_17_0_0_nb20180613
                -OS:                                       7_4_0-1_5
                -Servicepack:      [none applied]

Current VM version (on MGMT VM):
                -Load:                                   dsc_vm_17_0_0_nb20180613
                -OS:                                       7_4_0-1_5
                -Servicepack:      [none applied]
                
No software change to perform.

'd' - Decommission this VM slot to prepare it for removal.
Select action to take, or any other key to cancel: