Comment 22 for bug 1928806

Looks like a repro:

root@juju-be253b-7-lxd-5:~# date ; systemctl list-units --type scope | grep snap | wc -l
Thu Jul 22 21:49:25 UTC 2021
0
root@juju-be253b-7-lxd-5:~# for i in {1..100}; do /snap/bin/kubectl --kubeconfig=/root/.kube/config get secrets -n kube-system -o json & done; for i in {1..20}; do echo 'Reloading...'; sudo systemctl daemon-reload; done
[1] 10320
[2] 10321
[3] 10322
[4] 10323
[5] 10324
[6] 10325
[7] 10326
[8] 10327
[9] 10328
[10] 10329
[11] 10330
[12] 10331
[13] 10332
[14] 10333
[15] 10334
[16] 10335
[17] 10336
[18] 10349
[19] 10351
...
root@juju-be253b-7-lxd-5:~# date ; systemctl list-units --type scope | grep snap | wc -l
Thu Jul 22 21:51:36 UTC 2021
27
root@juju-be253b-7-lxd-5:~# for i in {1..100}; do /snap/bin/kubectl --kubeconfig=/root/.kube/config get secrets -n kube-system -o json & done; for i in {1..20}; do echo 'Reloading...'; sudo systemctl daemon-reload; done
...
root@juju-be253b-7-lxd-5:~# date ; systemctl list-units --type scope | grep snap | wc -l
Thu Jul 22 21:52:31 UTC 2021
68
root@juju-be253b-7-lxd-5:~# for i in {1..100}; do /snap/bin/kubectl --kubeconfig=/root/.kube/config get secrets -n kube-system -o json & done; for i in {1..20}; do echo 'Reloading...'; sudo systemctl daemon-reload; done
...
root@juju-be253b-7-lxd-5:~# date ; systemctl list-units --type scope | grep snap | wc -l
Thu Jul 22 21:54:51 UTC 2021
100
root@juju-be253b-7-lxd-5:~# for i in {1..100}; do /snap/bin/kubectl --kubeconfig=/root/.kube/config get secrets -n kube-system -o json & done; for i in {1..20}; do echo 'Reloading...'; sudo systemctl daemon-reload; done
...
root@juju-be253b-7-lxd-5:~# date ; systemctl list-units --type scope | grep snap | wc -l
Thu Jul 22 21:56:32 UTC 2021
145
root@juju-be253b-7-lxd-5:~# date ; systemctl list-units --type scope | grep snap | wc -l
Thu Jul 22 22:05:18 UTC 2021
145