1400B: "{{get(imix, 'imix.downlink.1400B', '0') }}"
1500B: "{{get(imix, 'imix.downlink.1500B', '0') }}"
1518B: "{{get(imix, 'imix.downlink.1518B', '0') }}"
+
outer_l3v4:
proto: "udp"
srcip4: "{{get(flow, 'flow.dst_ip_[[ vnf_num ]]', '90.90.1.1-90.90.255.255') }}"