JCA distributed work manager doesn't allow to add more than one

[standalone@localhost:9990 /] batch
[standalone@localhost:9990 / #] /subsystem=jca/distributed-workmanager=dwm2:add(name=dwm2)
[standalone@localhost:9990 / #] /subsystem=jca/distributed-workmanager=dwm2/short-running-threads=dwm2:add(max-threads=11,queue-length=22)
[standalone@localhost:9990 / #] run-batch
The batch failed with the following error (you are remaining in the batch editing mode to have a chance to correct the error):
WFLYCTL0062: Composite operation failed and was rolled back. Steps that failed:
Step: step-1
Operation: /subsystem=jca/distributed-workmanager=dwm2:add(name=dwm2)
Failure: WFLYCTL0436: Cannot register capability
'org.wildfly.connector.workmanager' at location '[
    ("subsystem" => "jca"),
    ("distributed-workmanager" => "dwm2")
]' as it is already registered in context 'global' at location(s) '[[
    ("subsystem" => "jca"),
    ("distributed-workmanager" => "dwm1")
]]'