code: def change_ssh_pwd(self, pwd=None, comment=None):
          
          self.make_request(
              NodeCommandFailed,
              method='update',
              resource='change_ssh_pwd',
              params={'comment': comment},
              json={'value': pwd})
docs: Executes a change SSH password operation on the specified node
  
          :param str pwd: changed password value
          :param str comment: optional comment for audit log
          :raises NodeCommandFailed: cannot change ssh password
          :return: None