This bug was fixed in the package ubuntu-mate-settings - 19.04.1
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ubuntu-mate-settings (19.04.1) disco; urgency=medium
* Prevent nm-applet race condition. (LP: #1823032)
-- Martin Wimpress Tue, 09 Apr 2019 00:02:11
+0100
** Changed in: ubuntu-mate-settings (Ubuntu)
St
** Also affects: ubuntu-mate-settings (Ubuntu)
Importance: Undecided
Status: New
** Changed in: ubuntu-mate
Status: New => Invalid
** Changed in: ubuntu-mate-settings (Ubuntu)
Status: New => In Progress
** Changed in: ubuntu-mate-settings (Ubuntu)
Assignee: (unassign