ips with multiple IP addresses failed with error: "conn.Receive: netlink receive: invalid argument"

[wuujiann]

When specifying multiple IP addresses in ips in the docker-compose file, the following error is reported.
No error if only a single IP address is provided for ips.

{"level":"error","time":"2023-12-01T19:02:58.683384501Z","msg":"error creating mapped port rules","container.id":"104aaea35e86","container.name":"web","error":"conn.Receive: netlink receive: invalid argument","stacktrace":"github.com/capnspacehook/whalewall.(*RuleManager).createContainerRules\n\tgithub.com/capnspacehook/whalewall/create.go:301\ngithub.com/capnspacehook/whalewall.(*RuleManager).createRules\n\tgithub.com/capnspacehook/whalewall/create.go:62\ngithub.com/capnspacehook/whalewall.(*RuleManager).Start.func1\n\tgithub.com/capnspacehook/whalewall/manager.go:118"}

Below is the docker-compose.yml file:

version: "3"
services:
  web:
    container_name: web
    image: nginx:latest
    ports:
      - "8080:80"
    labels:
      whalewall.enabled: true
      whalewall.rules: |
        mapped_ports:
          localhost:
            allow: true
          external:
            allow: true
            ips:
              - 76.76.21.21
              - 66.42.79.248