This bug was fixed in the package ipset - 7.5-1ubuntu0.20.04.1
--------------- ipset (7.5-1ubuntu0.20.04.1) focal; urgency=medium
* d/p/lp-1918936-{fix-p,P}arse-port-before-trying-by-service-name.patch: speed up numeric port adds (LP: #1918936).
-- Christian Ehrhardt <email address hidden> Thu, 25 Nov 2021 09:55:19 +0000
This bug was fixed in the package ipset - 7.5-1ubuntu0. 20.04.1
--------------- 20.04.1) focal; urgency=medium
ipset (7.5-1ubuntu0.
* d/p/lp- 1918936- {fix-p, P}arse- port-before- trying- by-service- name.patch:
speed up numeric port adds (LP: #1918936).
-- Christian Ehrhardt <email address hidden> Thu, 25 Nov 2021 09:55:19 +0000