Intermittently ice connection fail

I recently installed openvidu pro as cloud formation on aws.
Ice connection between our web application and our android and ios app keeps failing intermittently.

It doesn’t happen between web application and web application.
openvidu pro coturn port is opend and other port is corrently opend according to openvidu deployement guide.

I checked the log of the coturn server, but there is no log related to it as shown below.

The same issue occurs when using turnUsername and turnCredentials in Join JSON RPC response.

1185489: : session 000000000000032021: usage: realm=<openvidu>, username=<>, rp=4, rb=88, sp=4, sb=356
1185489: : session 000000000000032021: usage: realm=<openvidu>, username=<>, rp=4, rb=88, sp=4, sb=356
1185489: : session 000000000000032021: peer usage: realm=<openvidu>, username=<>, rp=0, rb=0, sp=0, sb=0
1185489: : session 000000000000032021: peer usage: realm=<openvidu>, username=<>, rp=0, rb=0, sp=0, sb=0
1185489: : session 000000000000032021: closed (2nd stage), user <> realm <openvidu> origin <>, local 172.31.5.255:3478, remote 3.31.49.160:56589, reason: allocation watchdog determined stale session state
1185489: : session 000000000000032021: closed (2nd stage), user <> realm <openvidu> origin <>, local 172.31.5.255:3478, remote 3.31.49.160:56589, reason: allocation watchdog determined stale session state
1185490: : session 001000000000032165: usage: realm=<openvidu>, username=<>, rp=4, rb=80, sp=4, sb=368
1185490: : session 001000000000032165: usage: realm=<openvidu>, username=<>, rp=4, rb=80, sp=4, sb=368
1185490: : session 001000000000032165: peer usage: realm=<openvidu>, username=<>, rp=0, rb=0, sp=0, sb=0
1185490: : session 001000000000032165: peer usage: realm=<openvidu>, username=<>, rp=0, rb=0, sp=0, sb=0
1185490: : session 001000000000032165: closed (2nd stage), user <> realm <openvidu> origin <>, local 172.31.5.255:3478, remote 1.223.122.48:63103, reason: allocation watchdog determined stale session state
1185490: : session 001000000000032165: closed (2nd stage), user <> realm <openvidu> origin <>, local 172.31.5.255:3478, remote 1.223.122.48:63103, reason: allocation watchdog determined stale session state
1185520: : session 001000000000032166: usage: realm=<openvidu>, username=<>, rp=1, rb=28, sp=1, sb=92
1185520: : session 001000000000032166: usage: realm=<openvidu>, username=<>, rp=1, rb=28, sp=1, sb=92
1185520: : session 001000000000032166: peer usage: realm=<openvidu>, username=<>, rp=0, rb=0, sp=0, sb=0
1185520: : session 001000000000032166: peer usage: realm=<openvidu>, username=<>, rp=0, rb=0, sp=0, sb=0
1185520: : session 001000000000032166: closed (2nd stage), user <> realm <openvidu> origin <>, local 172.31.5.255:3478, remote 3.31.49.160:42935, reason: allocation watchdog determined stale session state
1185520: : session 001000000000032166: closed (2nd stage), user <> realm <openvidu> origin <>, local 172.31.5.255:3478, remote 3.31.49.160:42935, reason: allocation watchdog determined stale session state
1185520: : session 000000000000032022: usage: realm=<openvidu>, username=<>, rp=1, rb=28, sp=1, sb=92
1185520: : session 000000000000032022: usage: realm=<openvidu>, username=<>, rp=1, rb=28, sp=1, sb=92
1185520: : session 000000000000032022: peer usage: realm=<openvidu>, username=<>, rp=0, rb=0, sp=0, sb=0
1185520: : session 000000000000032022: peer usage: realm=<openvidu>, username=<>, rp=0, rb=0, sp=0, sb=0
1185520: : session 000000000000032022: closed (2nd stage), user <> realm <openvidu> origin <>, local 172.31.5.255:3478, remote 3.31.49.160:51707, reason: allocation watchdog determined stale session state
1185520: : session 000000000000032022: closed (2nd stage), user <> realm <openvidu> origin <>, local 172.31.5.255:3478, remote 3.31.49.160:51707, reason: allocation watchdog determined stale session state
1185665: : session 001000000000032167: realm <openvidu> user <>: incoming packet BINDING processed, success
1185665: : session 001000000000032167: realm <openvidu> user <>: incoming packet BINDING processed, success
1185665: : session 001000000000032168: realm <openvidu> user <>: incoming packet BINDING processed, success
1185665: : session 001000000000032168: realm <openvidu> user <>: incoming packet BINDING processed, success
1185665: : session 001000000000032167: realm <openvidu> user <>: incoming packet message processed, error 401: Unauthorized
1185665: : session 001000000000032167: realm <openvidu> user <>: incoming packet message processed, error 401: Unauthorized
1185665: : session 001000000000032168: realm <openvidu> user <>: incoming packet message processed, error 401: Unauthorized
1185665: : session 001000000000032168: realm <openvidu> user <>: incoming packet message processed, error 401: Unauthorized
1185665: : ERROR: check_stun_auth: Cannot find credentials of user <openvidu>
1185665: : ERROR: check_stun_auth: Cannot find credentials of user <openvidu>
1185665: : session 001000000000032167: realm <openvidu> user <openvidu>: incoming packet message processed, error 401: Unauthorized
1185665: : session 001000000000032167: realm <openvidu> user <openvidu>: incoming packet message processed, error 401: Unauthorized
1185665: : ERROR: check_stun_auth: Cannot find credentials of user <openvidu>
1185665: : ERROR: check_stun_auth: Cannot find credentials of user <openvidu>
1185665: : session 001000000000032168: realm <openvidu> user <openvidu>: incoming packet message processed, error 401: Unauthorized
1185665: : session 001000000000032168: realm <openvidu> user <openvidu>: incoming packet message processed, error 401: Unauthorized
1185665: : session 000000000000032023: realm <openvidu> user <>: incoming packet BINDING processed, success
1185665: : session 000000000000032023: realm <openvidu> user <>: incoming packet BINDING processed, success
1185665: : session 000000000000032024: realm <openvidu> user <>: incoming packet BINDING processed, success
1185665: : session 000000000000032024: realm <openvidu> user <>: incoming packet BINDING processed, success
1185665: : session 000000000000032025: realm <openvidu> user <>: incoming packet BINDING processed, success
1185665: : session 000000000000032025: realm <openvidu> user <>: incoming packet BINDING processed, success
1185665: : session 000000000000032026: realm <openvidu> user <>: incoming packet BINDING processed, success
1185665: : session 000000000000032026: realm <openvidu> user <>: incoming packet BINDING processed, success
1185675: : session 001000000000032168: realm <openvidu> user <openvidu>: incoming packet BINDING processed, success
1185675: : session 001000000000032168: realm <openvidu> user <openvidu>: incoming packet BINDING processed, success
1185685: : session 001000000000032168: realm <openvidu> user <openvidu>: incoming packet BINDING processed, success
1185685: : session 001000000000032168: realm <openvidu> user <openvidu>: incoming packet BINDING processed, success
1185690: : session 000000000000032025: realm <openvidu> user <>: incoming packet BINDING processed, success
1185690: : session 000000000000032025: realm <openvidu> user <>: incoming packet BINDING processed, success
1185690: : session 000000000000032026: realm <openvidu> user <>: incoming packet BINDING processed, success
1185690: : session 000000000000032026: realm <openvidu> user <>: incoming packet BINDING processed, success
1185695: : session 001000000000032168: realm <openvidu> user <openvidu>: incoming packet BINDING processed, success
1185695: : session 001000000000032168: realm <openvidu> user <openvidu>: incoming packet BINDING processed, success
1185705: : session 001000000000032168: realm <openvidu> user <openvidu>: incoming packet BINDING processed, success
1185705: : session 001000000000032168: realm <openvidu> user <openvidu>: incoming packet BINDING processed, success
1185715: : session 001000000000032168: realm <openvidu> user <openvidu>: incoming packet BINDING processed, success
1185715: : session 001000000000032168: realm <openvidu> user <openvidu>: incoming packet BINDING processed, success
1185715: : session 000000000000032025: realm <openvidu> user <>: incoming packet BINDING processed, success
1185715: : session 000000000000032025: realm <openvidu> user <>: incoming packet BINDING processed, success
1185715: : session 000000000000032026: realm <openvidu> user <>: incoming packet BINDING processed, success
1185715: : session 000000000000032026: realm <openvidu> user <>: incoming packet BINDING processed, success
1185725: : session 001000000000032167: usage: realm=<openvidu>, username=<openvidu>, rp=3, rb=144, sp=3, sb=308
1185725: : session 001000000000032167: usage: realm=<openvidu>, username=<openvidu>, rp=3, rb=144, sp=3, sb=308
1185725: : session 001000000000032167: peer usage: realm=<openvidu>, username=<openvidu>, rp=0, rb=0, sp=0, sb=0
1185725: : session 001000000000032167: peer usage: realm=<openvidu>, username=<openvidu>, rp=0, rb=0, sp=0, sb=0
1185725: : session 001000000000032167: closed (2nd stage), user <openvidu> realm <openvidu> origin <>, local 172.31.5.255:3478, remote 1.223.122.48:57667, reason: allocation watchdog determined stale session state
1185725: : session 001000000000032167: closed (2nd stage), user <openvidu> realm <openvidu> origin <>, local 172.31.5.255:3478, remote 1.223.122.48:57667, reason: allocation watchdog determined stale session state
1185725: : session 001000000000032168: usage: realm=<openvidu>, username=<openvidu>, rp=8, rb=244, sp=8, sb=768
1185725: : session 001000000000032168: usage: realm=<openvidu>, username=<openvidu>, rp=8, rb=244, sp=8, sb=768
1185725: : session 001000000000032168: peer usage: realm=<openvidu>, username=<openvidu>, rp=0, rb=0, sp=0, sb=0
1185725: : session 001000000000032168: peer usage: realm=<openvidu>, username=<openvidu>, rp=0, rb=0, sp=0, sb=0
1185725: : session 001000000000032168: closed (2nd stage), user <openvidu> realm <openvidu> origin <>, local 172.31.5.255:3478, remote 1.223.122.48:48721, reason: allocation watchdog determined stale session state
1185725: : session 001000000000032168: closed (2nd stage), user <openvidu> realm <openvidu> origin <>, local 172.31.5.255:3478, remote 1.223.122.48:48721, reason: allocation watchdog determined stale session state
1185725: : session 001000000000032169: realm <openvidu> user <>: incoming packet BINDING processed, success
1185725: : session 001000000000032169: realm <openvidu> user <>: incoming packet BINDING processed, success
1185725: : session 000000000000032023: usage: realm=<openvidu>, username=<>, rp=2, rb=48, sp=2, sb=180
1185725: : session 000000000000032023: usage: realm=<openvidu>, username=<>, rp=2, rb=48, sp=2, sb=180
1185725: : session 000000000000032023: peer usage: realm=<openvidu>, username=<>, rp=0, rb=0, sp=0, sb=0
1185725: : session 000000000000032023: peer usage: realm=<openvidu>, username=<>, rp=0, rb=0, sp=0, sb=0
1185725: : session 000000000000032023: closed (2nd stage), user <> realm <openvidu> origin <>, local 172.31.5.255:3478, remote 3.31.49.160:43486, reason: allocation watchdog determined stale session state
1185725: : session 000000000000032023: closed (2nd stage), user <> realm <openvidu> origin <>, local 172.31.5.255:3478, remote 3.31.49.160:43486, reason: allocation watchdog determined stale session state
1185725: : session 000000000000032024: usage: realm=<openvidu>, username=<>, rp=2, rb=48, sp=2, sb=180
1185725: : session 000000000000032024: usage: realm=<openvidu>, username=<>, rp=2, rb=48, sp=2, sb=180
1185725: : session 000000000000032024: peer usage: realm=<openvidu>, username=<>, rp=0, rb=0, sp=0, sb=0
1185725: : session 000000000000032024: peer usage: realm=<openvidu>, username=<>, rp=0, rb=0, sp=0, sb=0
1185725: : session 000000000000032024: closed (2nd stage), user <> realm <openvidu> origin <>, local 172.31.5.255:3478, remote 3.31.49.160:53004, reason: allocation watchdog determined stale session state
1185725: : session 000000000000032024: closed (2nd stage), user <> realm <openvidu> origin <>, local 172.31.5.255:3478, remote 3.31.49.160:53004, reason: allocation watchdog determined stale session state
1185725: : session 000000000000032025: usage: realm=<openvidu>, username=<>, rp=6, rb=144, sp=6, sb=540
1185725: : session 000000000000032025: usage: realm=<openvidu>, username=<>, rp=6, rb=144, sp=6, sb=540
1185725: : session 000000000000032025: peer usage: realm=<openvidu>, username=<>, rp=0, rb=0, sp=0, sb=0
1185725: : session 000000000000032025: peer usage: realm=<openvidu>, username=<>, rp=0, rb=0, sp=0, sb=0
1185725: : session 000000000000032025: closed (2nd stage), user <> realm <openvidu> origin <>, local 172.31.5.255:3478, remote 3.31.49.160:49490, reason: allocation watchdog determined stale session state
1185725: : session 000000000000032025: closed (2nd stage), user <> realm <openvidu> origin <>, local 172.31.5.255:3478, remote 3.31.49.160:49490, reason: allocation watchdog determined stale session state
1185725: : session 000000000000032026: usage: realm=<openvidu>, username=<>, rp=6, rb=144, sp=6, sb=540
1185725: : session 000000000000032026: usage: realm=<openvidu>, username=<>, rp=6, rb=144, sp=6, sb=540
1185725: : session 000000000000032026: peer usage: realm=<openvidu>, username=<>, rp=0, rb=0, sp=0, sb=0
1185725: : session 000000000000032026: peer usage: realm=<openvidu>, username=<>, rp=0, rb=0, sp=0, sb=0
1185725: : session 000000000000032026: closed (2nd stage), user <> realm <openvidu> origin <>, local 172.31.5.255:3478, remote 3.31.49.160:56264, reason: allocation watchdog determined stale session state
1185725: : session 000000000000032026: closed (2nd stage), user <> realm <openvidu> origin <>, local 172.31.5.255:3478, remote 3.31.49.160:56264, reason: allocation watchdog determined stale session state
1185735: : session 001000000000032169: realm <openvidu> user <>: incoming packet BINDING processed, success
1185735: : session 001000000000032169: realm <openvidu> user <>: incoming packet BINDING processed, success
1185740: : session 000000000000032027: realm <openvidu> user <>: incoming packet BINDING processed, success
1185740: : session 000000000000032027: realm <openvidu> user <>: incoming packet BINDING processed, success
1185740: : session 000000000000032028: realm <openvidu> user <>: incoming packet BINDING processed, success
1185740: : session 000000000000032028: realm <openvidu> user <>: incoming packet BINDING processed, success
1185745: : session 001000000000032169: realm <openvidu> user <>: incoming packet BINDING processed, success
1185745: : session 001000000000032169: realm <openvidu> user <>: incoming packet BINDING processed, success
1185755: : session 001000000000032169: realm <openvidu> user <>: incoming packet BINDING processed, success
1185755: : session 001000000000032169: realm <openvidu> user <>: incoming packet BINDING processed, success
1185765: : session 001000000000032169: realm <openvidu> user <>: incoming packet BINDING processed, success
1185765: : session 001000000000032169: realm <openvidu> user <>: incoming packet BINDING processed, success
1185765: : session 000000000000032027: realm <openvidu> user <>: incoming packet BINDING processed, success
1185765: : session 000000000000032027: realm <openvidu> user <>: incoming packet BINDING processed, success
1185765: : session 000000000000032028: realm <openvidu> user <>: incoming packet BINDING processed, success
1185765: : session 000000000000032028: realm <openvidu> user <>: incoming packet BINDING processed, success
1185775: : session 001000000000032169: realm <openvidu> user <>: incoming packet BINDING processed, success
1185775: : session 001000000000032169: realm <openvidu> user <>: incoming packet BINDING processed, success
1185785: : session 001000000000032169: usage: realm=<openvidu>, username=<>, rp=6, rb=120, sp=6, sb=552
1185785: : session 001000000000032169: usage: realm=<openvidu>, username=<>, rp=6, rb=120, sp=6, sb=552
1185785: : session 001000000000032169: peer usage: realm=<openvidu>, username=<>, rp=0, rb=0, sp=0, sb=0
1185785: : session 001000000000032169: peer usage: realm=<openvidu>, username=<>, rp=0, rb=0, sp=0, sb=0
1185785: : session 001000000000032169: closed (2nd stage), user <> realm <openvidu> origin <>, local 172.31.5.255:3478, remote 1.223.122.48:48721, reason: allocation watchdog determined stale session state
1185785: : session 001000000000032169: closed (2nd stage), user <> realm <openvidu> origin <>, local 172.31.5.255:3478, remote 1.223.122.48:48721, reason: allocation watchdog determined stale session state
1185800: : session 000000000000032027: usage: realm=<openvidu>, username=<>, rp=2, rb=56, sp=2, sb=184
1185800: : session 000000000000032027: usage: realm=<openvidu>, username=<>, rp=2, rb=56, sp=2, sb=184
1185800: : session 000000000000032027: peer usage: realm=<openvidu>, username=<>, rp=0, rb=0, sp=0, sb=0
1185800: : session 000000000000032027: peer usage: realm=<openvidu>, username=<>, rp=0, rb=0, sp=0, sb=0
1185800: : session 000000000000032027: closed (2nd stage), user <> realm <openvidu> origin <>, local 172.31.5.255:3478, remote 3.31.49.160:49490, reason: allocation watchdog determined stale session state
1185800: : session 000000000000032027: closed (2nd stage), user <> realm <openvidu> origin <>, local 172.31.5.255:3478, remote 3.31.49.160:49490, reason: allocation watchdog determined stale session state
1185800: : session 000000000000032028: usage: realm=<openvidu>, username=<>, rp=2, rb=56, sp=2, sb=184
1185800: : session 000000000000032028: usage: realm=<openvidu>, username=<>, rp=2, rb=56, sp=2, sb=184
1185800: : session 000000000000032028: peer usage: realm=<openvidu>, username=<>, rp=0, rb=0, sp=0, sb=0
1185800: : session 000000000000032028: peer usage: realm=<openvidu>, username=<>, rp=0, rb=0, sp=0, sb=0
1185800: : session 000000000000032028: closed (2nd stage), user <> realm <openvidu> origin <>, local 172.31.5.255:3478, remote 3.31.49.160:56264, reason: allocation watchdog determined stale session state
1185800: : session 000000000000032028: closed (2nd stage), user <> realm <openvidu> origin <>, local 172.31.5.255:3478, remote 3.31.49.160:56264, reason: allocation watchdog determined stale session state
1210927: : session 001000000000032170: realm <openvidu> user <>: incoming packet BINDING processed, success
1210927: : session 001000000000032170: realm <openvidu> user <>: incoming packet BINDING processed, success
1210987: : session 001000000000032170: usage: realm=<openvidu>, username=<>, rp=1, rb=20, sp=1, sb=92
1210987: : session 001000000000032170: usage: realm=<openvidu>, username=<>, rp=1, rb=20, sp=1, sb=92
1210987: : session 001000000000032170: peer usage: realm=<openvidu>, username=<>, rp=0, rb=0, sp=0, sb=0
1210987: : session 001000000000032170: peer usage: realm=<openvidu>, username=<>, rp=0, rb=0, sp=0, sb=0
1210987: : session 001000000000032170: closed (2nd stage), user <> realm <openvidu> origin <>, local 172.31.5.255:3478, remote 146.88.240.4:52690, reason: allocation watchdog determined stale session state
1210987: : session 001000000000032170: closed (2nd stage), user <> realm <openvidu> origin <>, local 172.31.5.255:3478, remote 146.88.240.4:52690, reason: allocation watchdog determined stale session state