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and in the livekit logs the filtered 152.66 public ip shows up as a serverreflexive ice candidate:

2023-10-02T16:06:42.356+0200    INFO    livekit rtc/transport.go:1559   ice candidates  {"room": "load-test", "roomID": "RM_KwN3qppBGe4k", "participant": "dcnee_pub_0", "pID": "PA_6Hh3mgPzeB6U", "remote":
 false, "transport": "PUBLISHER", "lc": ["tcp4 host 10.0.2.4:7801", "udp4 host 10.0.2.4:58459", "udp4 host 10.0.1.4:57183", "tcp4 host 10.0.1.4:7801", "udp4 srflx 152.66.x.x:52729 related 0.0.0.0:5272
9", "udp4 srflx 152.66.x.x:53456 related 0.0.0.0:53456"], "rc": ["candidate:3495896665 1 udp 16777215 10.0.1.2 37561 typ relay raddr 0.0.0.0 rport 47224"], "lc (filtered)": [], "rc (filtered)": []}