Check iptables persistent with dpkg #288

Job	Run time
Setup variables	4s
Build controller image	4m 7s
Build node images (debian10)	3m 1s
Build node images (debian11)	3m 6s
Build node images (ubuntu16)	2m 10s
Build node images (ubuntu18)	2m 54s
Build node images (ubuntu20)	3m 12s
test_node_and_controller (debian10)	2m 45s
test_node_and_controller (debian11)	2m 51s
test_node_and_controller (ubuntu16)	2m 48s
test_node_and_controller (ubuntu18)	2m 57s
test_node_and_controller (ubuntu20)	2m 51s
statusCheck	1s
push_controller	0s
push_node	0s
	32m 47s

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