it failed with:
Feb 22 08:52:30 strawberry cloudron-firewall.sh[14300]: /home/yellowtent/box/setup/start/cloudron-firewall.sh: line 14: iptables --wait 120 --wait-interval 1: command not found
the root cause was that IFS was getting set but not getting reset later.
the IFS=xx line is not line local as it seems to appear (just a bash statement)
993ff50681