docs: def _lock_netmiko_session(self, start=None):
          """Try to acquire the Netmiko session lock. If not available, wait in the queue until
          the channel is available again.
  
          :param start: Initial start time to measure the session timeout
          :type start: float (from time.time() call i.e. epoch time)
          """
          if not start:
              start = time.time()
          # Wait here until the SSH channel lock is acquired or until session_timeout exceeded
          while not self._session_locker.acquire(False) and not self._timeout_exceeded(
              start, "The netmiko channel is not available!"
          ):
              time.sleep(0.1)
          return True