fails in autopkgtest

version 8.0.0-3 of puppet-module-puppetlabs-firewall fails in autopkgtest on all arches

1050s autopkgtest [16:06:16]: test serverspec: [-----------------------
1053s
1053s iptables is not installed
1053s Package "iptables"
1053s is expected not to be installed (FAILED - 1)
1053s
1053s test classes apply successfully
1053s Command "puppet apply --logdest /var/log/puppet-apply.log --test spec/fixtures/test.pp"
1053s exit_status
1100s is expected to eq 2
1100s
1100s iptables is installed
1100s Package "iptables"
1100s is expected to be installed
1100s
1100s netfilter-persistent is enabled and running
1100s Service "netfilter-persistent"
1100s is expected to be enabled
1100s is expected to be running
1100s
1100s expected ipv4 rules are loaded
1100s Command "iptables-save"
1100s stdout
1101s is expected to include "-A INPUT -p icmp -m comment --comment \"000 fwrules::ipv4 accept all icmp\" -j ACCEPT"
1101s stdout
1101s is expected to include "-A INPUT -i lo -m comment --comment \"001 fwrules::ipv4 accept all to lo interface\" -j ACCEPT"
1101s stdout
1101s is expected to include "-A INPUT -m state --state RELATED,ESTABLISHED -m comment --comment \"003 fwrules::ipv4 accept related established rules\" -j ACCEPT"
1101s stdout
1101s is expected to include "-A INPUT -s 192.0.2.0/24 -p tcp -m multiport --dports 80,443 -m comment --comment \"0101 profile::appserver legacy admin access\" -j ACCEPT"
1101s
1101s expected ipv6 rules are loaded
1101s Command "ip6tables-save"
1101s stdout
1101s is expected to include "-A INPUT -p ipv6-icmp -m comment --comment \"000 fwrules::ipv6 accept all icmp\" -j ACCEPT"
1101s stdout
1101s is expected to include "-A INPUT -i lo -m comment --comment \"001 fwrules::ipv6 accept all to lo interface\" -j ACCEPT"
1101s stdout
1101s is expected to include "-A INPUT -m state --state RELATED,ESTABLISHED -m comment --comment \"003 fwrules::ipv6 accept related established rules\" -j ACCEPT"
1101s stdout
1101s is expected to include "-A INPUT -s 2001:db8:de:caf::/64 -p tcp -m multiport --dports 540 -m comment --comment \"0100 profile::appserver Future-proof XMLRPC over UUCP over IPv6 appserver traffic\" -j ACCEPT"
1101s stdout
1101s is expected to include "-A INPUT -s 2001:db8:c0f:fee::/64 -p tcp -m multiport --dports 80,443 -m comment --comment \"0101 profile::appserver admin access\" -j ACCEPT"
1101s
1101s Failures:
1101s
1101s 1) iptables is not installed Package "iptables" is expected not to be installed
1101s Failure/Error: it { should_not be_installed }
1101s expected Package "iptables" not to be installed
1101s /bin/sh -c dpkg-query\ -f\ \'\$\{Status\}\'\ -W\ iptables\ \|\ grep\ -E\ \'\^\(install\|hold\)\ ok\ installed\$\'
1101s install ok installed
1101s
1101s # ./spec/puppetlabs-firewall_spec.rb:5:in `block (3 levels) in <top (required)>'
1101s
1101s Finished in 47.97 seconds (files took 1.83 seconds to load)
1101s 14 examples, 1 failure
1101s
1101s Failed examples:
1101s
1101s rspec ./spec/puppetlabs-firewall_spec.rb:5 # iptables is not installed Package "iptables" is expected not to be installed
1101s
1101s autopkgtest [16:07:07]: test serverspec: -----------------------]
1102s serverspec FAIL non-zero exit status 1

https://autopkgtest.ubuntu.com/results/autopkgtest-noble/noble/arm64/p/puppet-module-puppetlabs-firewall/20240326_160721_ca932@/log.gz