r = cls.vapi.gtpu_add_del_tunnel(
is_add=True,
mcast_sw_if_index=0xFFFFFFFF,
decap_next_index=0xFFFFFFFF,
src_address=cls.pg0.local_ip4,
dst_address=cls.pg0.remote_ip4,
r = cls.vapi.gtpu_add_del_tunnel(
is_add=True,
mcast_sw_if_index=0xFFFFFFFF,
decap_next_index=0xFFFFFFFF,
src_address=cls.pg0.local_ip4,
dst_address=cls.pg0.remote_ip4,