This is from the documentation that I submitted the bug for, please notice the FALSE in the command:
Update the admin status and description for a specified agent. The command can be used to enable and disable agents by using --admin-state-up parameter set to False or True.
$ neutron agent-update --admin -state-up False AGENT_ID
Are you sure?
This is from my personal neutron controller nodes:
neutron agent-update --admin-state-down 162c0a2c- 7e67-4ac9- 9cdb-03af426155 e8
Unrecognized attribute(s) 'admin_state_down'
This is from the documentation that I submitted the bug for, please notice the FALSE in the command:
Update the admin status and description for a specified agent. The command can be used to enable and disable agents by using --admin-state-up parameter set to False or True.
$ neutron agent-update --admin -state-up False AGENT_ID