# Switching to iptable due to https://github.com/projectcalico/calico/issues/5011
# Kubernetes v1.23.0 kube-proxy does use v.7.x now. Calico v3.20.x/v3.21.x Pods show the following error
# Bad return code from 'ipset list'. error=exit status 1 family="inet" stderr="ipset v7.1: Kernel and userspace incompatible: settype hash:ip,port with revision 6 not supported by userspace.