Python UDP client on Ubuntu

I have a pair of Python scripts that communicate through UDP. The scripts work fine as-is if they are both on Windows computers.
The idea is to send data from 10.10.10.56 on a Windows machine to 10.10.10.40 on a Ubuntu one. The communication is through a WiFi router, on a static ipv4 profile.
The Python codes are as seen below:

##Server
import socket 
import struct
import time

remoteIP     = "10.10.10.40"

port   = 8080
bufferSize  = 1024
 
# Create a datagram socket
UDPServerSocket = socket.socket(family=socket.AF_INET, type=socket.SOCK_DGRAM)

message1 = [0]*(62501)

cnt = 0
while(True):
    time.sleep(1/30)
    cnt += 1
    if cnt == 255:
        cnt = 0
    message1[0] = cnt

    _bytes_to_send = struct.pack("B"*len(message1), *message1)
    UDPServerSocket.sendto(_bytes_to_send, (remoteIP,port))

##Client
#!/usr/bin/env python

import socket
import struct
 
serverAddressPort   = ("0.0.0.0", 8080)
bufferSize          = 1024


# Create a UDP socket at client side
sock = socket.socket(family=socket.AF_INET, type=socket.SOCK_DGRAM)
sock.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR,1)
sock.bind(serverAddressPort)
 
while True:
    print("Looping!")
    msgFromServer = sock.recvfrom(1024)[0]
    print(msgFromServer)
    
    mx = [int(x) for x in msgFromServer]
    print(mx)
    print("----------------------------")

The troubleshooting steps I’ve taken so far:

1. Check Wireshark for incoming UDP packets from 10.10.10.56. It indeed does confirm that there are UDP packets inbound to the receiving side.
2. Check that the network profiles are assigned properly on nmcli. I can post any terminal output necessary for debugging purposes related to my network profiles.
3. Use a specific IP address (10.10.10.56) on the receiving side instead of using "". Results in:

Traceback (most recent call last):
  File "udp_client.py", line 14, in <module>
    sock.bind(serverAddressPort)
OSError: [Errno 99] Cannot assign requested address

4. Using the exact same scripts on a Windows install for the listener 10.10.10.40 to communicate with the sender Windows machine 10.10.10.56 (works), also make the sender 10.10.10.56 a Ubuntu machine (doesn’t work).
5. Check the firewall settings with ufw. It is inactive.

I am afraid that this might be related to my network settings, but I have done exactly whatever I have done on the Windows side of things with Ubuntu. I don’t simply understand what could be wrong considering that this does indeed work on Windows.

Finally, here’s my nmcli c show output for the WiFi profile:

connection.id:                          ASUS_88
connection.uuid:                        ff935490-4b0f-447f-b303-276c5c1ed104
connection.stable-id:                   --
connection.type:                        802-11-wireless
connection.interface-name:              wlp5s0
connection.autoconnect:                 yes
connection.autoconnect-priority:        0
connection.autoconnect-retries:         -1 (default)
connection.multi-connect:               0 (default)
connection.auth-retries:                -1
connection.timestamp:                   1659449375
connection.read-only:                   no
connection.permissions:                 --
connection.zone:                        --
connection.master:                      --
connection.slave-type:                  --
connection.autoconnect-slaves:          -1 (default)
connection.secondaries:                 --
connection.gateway-ping-timeout:        0
connection.metered:                     unknown
connection.lldp:                        default
connection.mdns:                        -1 (default)
connection.llmnr:                       -1 (default)
connection.wait-device-timeout:         -1
802-11-wireless.ssid:                   ASUS_88
802-11-wireless.mode:                   infrastructure
802-11-wireless.band:                   --
802-11-wireless.channel:                0
802-11-wireless.bssid:                  --
802-11-wireless.rate:                   0
802-11-wireless.tx-power:               0
802-11-wireless.mac-address:            --
802-11-wireless.cloned-mac-address:     --
802-11-wireless.generate-mac-address-mask:--
802-11-wireless.mac-address-blacklist:  --
802-11-wireless.mac-address-randomization:default
802-11-wireless.mtu:                    auto
802-11-wireless.seen-bssids:            04:D4:C4:34:A4:88
802-11-wireless.hidden:                 no
802-11-wireless.powersave:              0 (default)
802-11-wireless.wake-on-wlan:           0x1 (default)
802-11-wireless-security.key-mgmt:      wpa-psk
802-11-wireless-security.wep-tx-keyidx: 0
802-11-wireless-security.auth-alg:      --
802-11-wireless-security.proto:         --
802-11-wireless-security.pairwise:      --
802-11-wireless-security.group:         --
802-11-wireless-security.pmf:           0 (default)
802-11-wireless-security.leap-username: --
802-11-wireless-security.wep-key0:      <hidden>
802-11-wireless-security.wep-key1:      <hidden>
802-11-wireless-security.wep-key2:      <hidden>
802-11-wireless-security.wep-key3:      <hidden>
802-11-wireless-security.wep-key-flags: 0 (none)
802-11-wireless-security.wep-key-type:  unknown
802-11-wireless-security.psk:           <hidden>
802-11-wireless-security.psk-flags:     0 (none)
802-11-wireless-security.leap-password: <hidden>
802-11-wireless-security.leap-password-flags:0 (none)
802-11-wireless-security.wps-method:    0x0 (default)
802-11-wireless-security.fils:          0 (default)
ipv4.method:                            manual
ipv4.dns:                               --
ipv4.dns-search:                        --
ipv4.dns-options:                       --
ipv4.dns-priority:                      0
ipv4.addresses:                         10.10.10.40/24
ipv4.gateway:                           255.0.0.0
ipv4.routes:                            --
ipv4.route-metric:                      -1
ipv4.route-table:                       0 (unspec)
ipv4.routing-rules:                     --
ipv4.ignore-auto-routes:                no
ipv4.ignore-auto-dns:                   yes
ipv4.dhcp-client-id:                    --
ipv4.dhcp-iaid:                         --
ipv4.dhcp-timeout:                      0 (default)
ipv4.dhcp-send-hostname:                yes
ipv4.dhcp-hostname:                     --
ipv4.dhcp-fqdn:                         --
ipv4.dhcp-hostname-flags:               0x0 (none)
ipv4.never-default:                     no
ipv4.may-fail:                          yes
ipv4.dad-timeout:                       -1 (default)
ipv6.method:                            auto
ipv6.dns:                               --
ipv6.dns-search:                        --
ipv6.dns-options:                       --
ipv6.dns-priority:                      0
ipv6.addresses:                         --
ipv6.gateway:                           --
ipv6.routes:                            --
ipv6.route-metric:                      -1
ipv6.route-table:                       0 (unspec)
ipv6.routing-rules:                     --
ipv6.ignore-auto-routes:                no
ipv6.ignore-auto-dns:                   no
ipv6.never-default:                     no
ipv6.may-fail:                          yes
ipv6.ip6-privacy:                       -1 (unknown)
ipv6.addr-gen-mode:                     stable-privacy
ipv6.ra-timeout:                        0 (default)
ipv6.dhcp-duid:                         --
ipv6.dhcp-iaid:                         --
ipv6.dhcp-timeout:                      0 (default)
ipv6.dhcp-send-hostname:                yes
ipv6.dhcp-hostname:                     --
ipv6.dhcp-hostname-flags:               0x0 (none)
ipv6.token:                             --
proxy.method:                           none
proxy.browser-only:                     no
proxy.pac-url:                          --
proxy.pac-script:                       --

iptables -L output:

Chain INPUT (policy ACCEPT)
target     prot opt source               destination         
ACCEPT     all  --  anywhere             anywhere             ctstate RELATED,ESTABLISHED,DNAT
ACCEPT     all  --  anywhere             anywhere            
INPUT_direct  all  --  anywhere             anywhere            
INPUT_ZONES  all  --  anywhere             anywhere            
DROP       all  --  anywhere             anywhere             ctstate INVALID
REJECT     all  --  anywhere             anywhere             reject-with icmp-host-prohibited

Chain FORWARD (policy ACCEPT)
target     prot opt source               destination         
ACCEPT     all  --  anywhere             anywhere             ctstate RELATED,ESTABLISHED,DNAT
ACCEPT     all  --  anywhere             anywhere            
FORWARD_direct  all  --  anywhere             anywhere            
FORWARD_IN_ZONES  all  --  anywhere             anywhere            
FORWARD_OUT_ZONES  all  --  anywhere             anywhere            
DROP       all  --  anywhere             anywhere             ctstate INVALID
REJECT     all  --  anywhere             anywhere             reject-with icmp-host-prohibited

Chain OUTPUT (policy ACCEPT)
target     prot opt source               destination         
ACCEPT     all  --  anywhere             anywhere            
OUTPUT_direct  all  --  anywhere             anywhere            

Chain FORWARD_IN_ZONES (1 references)
target     prot opt source               destination         
FWDI_public  all  --  52.209.204.108       anywhere            [goto] 
FWDI_public  all  --  anywhere             anywhere            [goto] 
FWDI_public  all  --  anywhere             anywhere            [goto] 

Chain FORWARD_OUT_ZONES (1 references)
target     prot opt source               destination         
FWDO_public  all  --  anywhere             52.209.204.108      [goto] 
FWDO_public  all  --  anywhere             anywhere            [goto] 
FWDO_public  all  --  anywhere             anywhere            [goto] 

Chain FORWARD_direct (1 references)
target     prot opt source               destination         

Chain FWDI_public (3 references)
target     prot opt source               destination         
FWDI_public_pre  all  --  anywhere             anywhere            
FWDI_public_log  all  --  anywhere             anywhere            
FWDI_public_deny  all  --  anywhere             anywhere            
FWDI_public_allow  all  --  anywhere             anywhere            
FWDI_public_post  all  --  anywhere             anywhere            
ACCEPT     icmp --  anywhere             anywhere            

Chain FWDI_public_allow (1 references)
target     prot opt source               destination         

Chain FWDI_public_deny (1 references)
target     prot opt source               destination         

Chain FWDI_public_log (1 references)
target     prot opt source               destination         

Chain FWDI_public_post (1 references)
target     prot opt source               destination         

Chain FWDI_public_pre (1 references)
target     prot opt source               destination         

Chain FWDO_public (3 references)
target     prot opt source               destination         
FWDO_public_pre  all  --  anywhere             anywhere            
FWDO_public_log  all  --  anywhere             anywhere            
FWDO_public_deny  all  --  anywhere             anywhere            
FWDO_public_allow  all  --  anywhere             anywhere            
FWDO_public_post  all  --  anywhere             anywhere            

Chain FWDO_public_allow (1 references)
target     prot opt source               destination         

Chain FWDO_public_deny (1 references)
target     prot opt source               destination         

Chain FWDO_public_log (1 references)
target     prot opt source               destination         

Chain FWDO_public_post (1 references)
target     prot opt source               destination         

Chain FWDO_public_pre (1 references)
target     prot opt source               destination         

Chain INPUT_ZONES (1 references)
target     prot opt source               destination         
IN_public  all  --  52.209.204.108       anywhere            [goto] 
IN_public  all  --  anywhere             anywhere            [goto] 
IN_public  all  --  anywhere             anywhere            [goto] 

Chain INPUT_direct (1 references)
target     prot opt source               destination         

Chain IN_public (3 references)
target     prot opt source               destination         
IN_public_pre  all  --  anywhere             anywhere            
IN_public_log  all  --  anywhere             anywhere            
IN_public_deny  all  --  anywhere             anywhere            
IN_public_allow  all  --  anywhere             anywhere            
IN_public_post  all  --  anywhere             anywhere            
ACCEPT     icmp --  anywhere             anywhere            

Chain IN_public_allow (1 references)
target     prot opt source               destination         
ACCEPT     tcp  --  anywhere             anywhere             tcp dpt:ssh ctstate NEW,UNTRACKED

Chain IN_public_deny (1 references)
target     prot opt source               destination         

Chain IN_public_log (1 references)
target     prot opt source               destination         

Chain IN_public_post (1 references)
target     prot opt source               destination         

Chain IN_public_pre (1 references)
target     prot opt source               destination         

Chain OUTPUT_direct (1 references)
target     prot opt source               destination         

Thanks in advance.