# Buggy code
def update_address(self, attachments_service, attachment, network):
    # Check if there is any change in address assignenmts and
    # update it if needed:
    for ip in attachment.ip_address_assignments:
        if str(ip.ip.version) == network.get("version", "v4"):
            changed = False
            if not equal(network.get("boot_protocol"), str(ip.assignment_method)):
                ip.assignment_method = otypes.BootProtocol(network.get("boot_protocol"))
                changed = True
            if not equal(network.get("address"), ip.ip.address):
                ip.ip.address = network.get("address")
                changed = True
            if not equal(network.get("gateway"), ip.ip.gateway):
                ip.ip.gateway = network.get("gateway")
                changed = True
            if not equal(
                network.get("prefix"), int(ip.ip.netmask) if ip.ip.netmask else None
            ):
                ip.ip.netmask = str(network.get("prefix"))
                changed = True

            if changed:
                if not self._module.check_mode:
                    attachments_service.service(attachment.id).update(attachment)
                self.changed = True
                break


# Traceback (ValueError)
The full traceback is:
Traceback (most recent call last):
File "/tmp/ansible_tuJApk/ansible_module_ovirt_host_networks.py", line 292, in main
(nic is None or host_networks_module.has_update(nics_service.service(nic.id)))
File "/tmp/ansible_tuJApk/ansible_module_ovirt_host_networks.py", line 238, in has_update
self.update_address(attachments_service, attachment, network)
File "/tmp/ansible_tuJApk/ansible_module_ovirt_host_networks.py", line 183, in update_address
if not equal(network.get('prefix'), int(ip.ip.netmask) if ip.ip.netmask else None):
ValueError: invalid literal for int() with base 10: '255.255.255.224'

# Fixed code
def update_address(self, attachments_service, attachment, network):
    # Check if there is any change in address assignenmts and
    # update it if needed:
    for ip in attachment.ip_address_assignments:
        if str(ip.ip.version) == network.get("version", "v4"):
            changed = False
            if not equal(network.get("boot_protocol"), str(ip.assignment_method)):
                ip.assignment_method = otypes.BootProtocol(network.get("boot_protocol"))
                changed = True
            if not equal(network.get("address"), ip.ip.address):
                ip.ip.address = network.get("address")
                changed = True
            if not equal(network.get("gateway"), ip.ip.gateway):
                ip.ip.gateway = network.get("gateway")
                changed = True
            if not equal(
                network.get("prefix"),
                sum([bin(int(x)).count("1") for x in ip.ip.netmask.split(".")])
                if ip.ip.netmask
                else None,
            ):
                ip.ip.netmask = str(network.get("prefix"))
                changed = True

            if changed:
                if not self._module.check_mode:
                    attachments_service.service(attachment.id).update(attachment)
                self.changed = True
                break