For this environment, we'll be using these hostname/IP combinations:
helper
=192.168.110.39
bootstrap
=192.168.110.60
controlplane-0
=192.168.110.61
controlplane-0
=192.168.110.62
controlplane-0
=192.168.110.63
worker-0
=192.168.110.65
worker-1
=192.168.110.66