ipsec: A P2MP ipsec interface is NBMA

Type: fix

Signed-off-by: Neale Ranns <nranns@cisco.com>
Change-Id: I1922463683201215933e9f85b587d7c7123f3bfd
diff --git a/test/test_ipsec_tun_if_esp.py b/test/test_ipsec_tun_if_esp.py
index ba42169..f505fa0 100644
--- a/test/test_ipsec_tun_if_esp.py
+++ b/test/test_ipsec_tun_if_esp.py
@@ -2869,6 +2869,8 @@
         p.tun_if.add_vpp_config()
         p.tun_if.admin_up()
         p.tun_if.config_ip4()
+        p.tun_if.unconfig_ip4()
+        p.tun_if.config_ip4()
         p.tun_if.generate_remote_hosts(N_NHS)
         self.pg0.generate_remote_hosts(N_NHS)
         self.pg0.configure_ipv4_neighbors()