Comment 1 for bug 1947459

Confirmed issue as described. CLI test case for verifying issue:

$ sudo apt-get install -y apache2
$ sudo apt-get install -y linkchecker
$ linkchecker --check-extern /var/www/html/index.html
...
URL `/icons/ubuntu-logo.png'
Name `Ubuntu Logo'
Parent URL file:///var/www/html/index.html, line 196, col 9
Real URL file:///icons/ubuntu-logo.png
Check time 0.001 seconds
Result Error: URLError: <urlopen error [Errno 2] No such file or directory: '/icons/ubuntu-logo.png'>

URL `/manual'
Name `manual'
Parent URL file:///var/www/html/index.html, line 258, col 40
Real URL file:///manual
Check time 0.003 seconds
Result Error: URLError: <urlopen error [Errno 2] No such file or directory: '/manual'>
 1 thread active, 0 links queued, 4 links in 4 URLs checked, runtime 1 seconds

I've reproduced this on both bionic and impish. Since this is more a cosmetic issue with an example web page, I am doubtful the impact significant enough to be valid for SRU (feel free to make a case otherwise though). So, I'll target to ubuntu-devel only at this time.