When running inside a container, it is not possible to retrieve information
about the disk that is mounted on '/'. Ignore errors in such cases.
Tests performed:
- Inside a container, start the service using freedombox-devel. Every 3 minutes
a check for disk space will be done in developer mode. If UDisks is being used
as source of information, the free space check will fail with an error logged.
- With the changes, the error is not shown.
Signed-off-by: Sunil Mohan Adapa <sunil@medhas.org>
Tested-by: Sunil Mohan Adapa <sunil@medhas.org>
Reviewed-by: James Valleroy <jvalleroy@mailbox.org>
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