new_contents: from pyroute2 import IPRoute
  from pyroute2 import IPDB
  
  RESPAWNS = 1200
  
  
  class TestRespawn(object):
  
      def test_respawn_iproute_sync(self):
          for _ in range(RESPAWNS):
              with IPRoute() as i:
                  i.bind()
                  i.link_lookup(ifname='lo')
  
      def test_respawn_iproute_async(self):
          for _ in range(RESPAWNS):
              with IPRoute() as i:
                  i.bind(async=True)
                  i.link_lookup(ifname='lo')
  
      def test_respawn_ipdb(self):
          for _ in range(RESPAWNS):
              with IPDB():
                  pass
  
subject: add a separate stress tests module