Istio-proxy connection keeps increasing FIN_WAIT2 as external connection increases towards deployment

1

tcp 0 0 127.0.0.1:15001 100.87.0.55:56540 TIME_WAIT
tcp 0 0 100.87.0.55:56544 10.18.72.46:6379 TIME_WAIT
tcp 0 0 127.0.0.1:15001 100.87.0.55:43024 FIN_WAIT2
tcp 0 0 127.0.0.1:15001 100.87.0.55:54796 FIN_WAIT2
tcp 1 0 ::ffff:100.87.0.55:43024 ::ffff:100.72.189.141:8374 CLOSE_WAIT
tcp 1 0 ::ffff:100.87.0.55:54796 ::ffff:100.72.146.97:8033 CLOSE_WAIT