Load balancing not working tried with balance roundrobin and balance leastconn in ftp-balancer-pool

haproxy.cfg

# HAPROXY Config for FTP
# my apologies for the spacing
global
    log 127.0.0.1 local0 info
    chroot /var/lib/haproxy
    user haproxy
    group haproxy

defaults
    log global
    mode tcp
    option tcplog
    retries 3

# This is for the initial connection and control traffic
frontend foxtrot-tango-papa-control
    bind *:21
    default_backend ftp-balancer-pool

# Each of these frontends represent a server and its corresponding PASV ports we set
frontend foxtrot-tango-papa01
    bind *:1025-5000
    default_backend foxtrot_tango_papa01

frontend foxtrot-tango-papa02
    bind *:1025-5000
    default_backend foxtrot_tango_papa02

frontend foxtrot-tango-papa03
    bind *:1025-5000
    default_backend foxtrot_tango_papa03

frontend foxtrot-tango-papa04
    bind *:1025-5000
    default_backend foxtrot_tango_papa04

frontend foxtrot-tango-papa05
    bind *:1025-5000
    default_backend foxtrot_tango_papa05


# Global backend for the ftp control traffic to find a server
backend ftp-balancer-pool
    balance roundrobin
    server foxtrot-tango-papa01 wan1.gbps.io:21 check
    server foxtrot-tango-papa02 wan2.gbps.io:21 check
    server foxtrot-tango-papa03 wan3.gbps.io:21 check
    server foxtrot-tango-papa04 wan4.gbps.io:21 check
    server foxtrot-tango-papa05 wan5.gbps.io:21 check

# Backends for each of our FTP servers
backend foxtrot_tango_papa01
    server foxtrot-tango-papa01 wan1.gbps.io
    
backend foxtrot_tango_papa02
    server foxtrot-tango-papa01 wan2.gbps.io

backend foxtrot_tango_papa03
    server foxtrot-tango-papa01 wan3.gbps.io

backend foxtrot_tango_papa04
    server foxtrot-tango-papa01 wan4.gbps.io

backend foxtrot_tango_papa05
    server foxtrot-tango-papa01 wan5.gbps.io