NVP-vProxy: Workflows intermittently fail to run "SYSTEM error Unable to bind socket to port 0 from connection port range 0-0:"

The NetWorker VMware Protection (NVP) integration is configured with the vProxy Appliance.
The workflows intermittently fail to run in the environment with a socket bind error message.
The NetWorker Management Console (NMC) workflow messages and workflow log show:

MM/DD/YYYY HH:MM:SS My_NSR_Name nsrworkflow NSR notice Starting Protection Policy 'My_Policy' workflow 'My_WorkFlow'. 
MM/DD/YYYY HH:MM:SS My_NSR_Name nsrworkflow NSR notice Starting action 'My_Policy/My_WorkFlow/My_BackupAction' with command: 'nsrvproxy_save -s My_NSR_Name -j 1568619 -L incr -p My_Policy -w My_WorkFlow -A My_BackupAction'. 
MM/DD/YYYY HH:MM:SS My_NSR_Name nsrworkflow SYSTEM error Unable to bind socket to port 0 from connection port range 0-0: Cannot assign requested address 
MM/DD/YYYY HH:MM:SS My_NSR_Name nsrworkflow SYSTEM error Unable to bind socket to port 0 from connection port range 0-0: Cannot assign requested address 
MM/DD/YYYY HH:MM:SS My_NSR_Name nsrworkflow NSR notice Action 'My_Policy/My_WorkFlow/My_BackupAction's log will be in '/nsr/logs/policy/My_Policy/My_WorkFlow/My_BackupAction_1568635.raw'. 
MM/DD/YYYY HH:MM:SS My_NSR_Name nsrworkflow NSR notice Action 'My_Policy/My_WorkFlow/My_BackupAction' failed. 
MM/DD/YYYY HH:MM:SS My_NSR_Name nsrworkflow SYSTEM error Unable to bind socket to port 0 from connection port range 0-0: Cannot assign requested address 
MM/DD/YYYY HH:MM:SS My_NSR_Name nsrworkflow SYSTEM error Unable to bind socket to port 0 from connection port range 0-0: Cannot assign requested address 
MM/DD/YYYY HH:MM:SS My_NSR_Name nsrworkflow NSR notice Action 'My_Policy/My_WorkFlow/My_BackupAction log '/nsr/logs/policy/My_Policy/My_WorkFlow/My_BackupAction_1568635.raw' is empty. 
MM/DD/YYYY HH:MM:SS My_NSR_Name nsrworkflow NSR notice Workflow 'My_Policy/My_WorkFlow' failed.