def test_udp_port(self):
    ' test UDP ports\n        Check if there are no udp listeners before gtpu is enabled\n        '
    self._check_udp_port_ip4(False)
    self._check_udp_port_ip6(False)
    r = self.vapi.gtpu_add_del_tunnel(is_add=True, mcast_sw_if_index=4294967295, decap_next_index=4294967295, src_address=self.pg0.local_ip4, dst_address=self.pg0.remote_ip4)
    self._check_udp_port_ip4()
    r = self.vapi.gtpu_add_del_tunnel(is_add=True, mcast_sw_if_index=4294967295, decap_next_index=4294967295, src_address=self.pg0.local_ip6, dst_address=self.pg0.remote_ip6)
    self._check_udp_port_ip6()
    r = self.vapi.gtpu_add_del_tunnel(is_add=False, mcast_sw_if_index=4294967295, decap_next_index=4294967295, src_address=self.pg0.local_ip4, dst_address=self.pg0.remote_ip4)
    r = self.vapi.gtpu_add_del_tunnel(is_add=False, mcast_sw_if_index=4294967295, decap_next_index=4294967295, src_address=self.pg0.local_ip6, dst_address=self.pg0.remote_ip6)
test UDP ports
Check if there are no udp listeners before gtpu is enabled
def test_udp_port(self):
    ' test UDP ports\n        Check if there are no udp listeners before gtpu is enabled\n        '
    self._check_udp_port_ip4(False)
    self._check_udp_port_ip6(False)
    r = self.vapi.gtpu_add_del_tunnel(is_add=True, mcast_sw_if_index=4294967295, decap_next_index=4294967295, src_address=self.pg0.local_ip4, dst_address=self.pg0.remote_ip4)
    self._check_udp_port_ip4()
    r = self.vapi.gtpu_add_del_tunnel(is_add=True, mcast_sw_if_index=4294967295, decap_next_index=4294967295, src_address=self.pg0.local_ip6, dst_address=self.pg0.remote_ip6)
    self._check_udp_port_ip6()
    r = self.vapi.gtpu_add_del_tunnel(is_add=False, mcast_sw_if_index=4294967295, decap_next_index=4294967295, src_address=self.pg0.local_ip4, dst_address=self.pg0.remote_ip4)
    r = self.vapi.gtpu_add_del_tunnel(is_add=False, mcast_sw_if_index=4294967295, decap_next_index=4294967295, src_address=self.pg0.local_ip6, dst_address=self.pg0.remote_ip6)