diff --git a/test/test_l2_fib.py b/test/test_l2_fib.py
index 9249a2c..f9a78ef 100644
--- a/test/test_l2_fib.py
+++ b/test/test_l2_fib.py
@@ -490,6 +490,7 @@
         self.config_l2_fib_entries(bd_id=1, n_hosts_per_if=10)
         self.config_l2_fib_entries(bd_id=2, n_hosts_per_if=10)
         flushed = self.flush_int(self.pg_interfaces[0].sw_if_index)
+        self.sleep(1)
         self.run_verify_test(bd_id=1, dst_hosts=self.learned_hosts)
         self.run_verify_negat_test(bd_id=1, dst_hosts=flushed)
 
@@ -503,6 +504,7 @@
         self.config_l2_fib_entries(bd_id=1, n_hosts_per_if=10)
         self.config_l2_fib_entries(bd_id=2, n_hosts_per_if=10)
         flushed = self.flush_bd(bd_id=1)
+        self.sleep(1)
         self.run_verify_negat_test(bd_id=1, dst_hosts=flushed)
         self.run_verify_test(bd_id=2, dst_hosts=self.learned_hosts)
 
@@ -516,6 +518,7 @@
         self.config_l2_fib_entries(bd_id=1, n_hosts_per_if=10)
         self.config_l2_fib_entries(bd_id=2, n_hosts_per_if=10)
         flushed = self.flush_all()
+        self.sleep(2)
         self.run_verify_negat_test(bd_id=1, dst_hosts=flushed)
         self.run_verify_negat_test(bd_id=2, dst_hosts=flushed)