network / ipaddr: memleak on macOS 10.15

[mpranj]

Memleak when using ipaddr plugin tests on macOS 10.15 (cirrus log). Error triggered by network plugin tests.

Thanks to @sanssecours for finding it.

[stale]

I mark this issue stale as it did not have any activity for one year. I'll close it in two weeks if no further activity occurs. If you want it to be alive again, ping the issue by writing a message here or create a new issue with the remainder of this issue.
Thank you for your contributions 💖

[stale]

I closed this issue now because it has been inactive for more than one year. If I closed it by mistake, please do not hesitate to reopen it or create a new issue with the remainder of this issue.
Thank you for your contributions 💖