When Broker opens Kerberos certification, how to use the CURL command to access the http port?

[7hong]

kinit -kt /opt/pulsar.keytab pulsar
curl -i --negotiate -u: -X GET "http://pulsar-xxx:8080/admin/v2/xxx"

I tried to access the Negotiate parameter, but got 401 errors.

how to use the CURL command to access the http port?