Public bug reported:

'swapon --summary' should be the same as /proc/swaps (as per documentation).  
However, they are formatted differently and this could lead to bugs as the 
'Used' field gets merged with the 'Priority' field for large values of 'Used' 
(not uncommonly large now we can swap to SSD/NVMe).  Example output is:
```
think1 tonyr: swapon --summary
Filename                                Type            Size            Used    
Priority
/dev/sdd                                partition       117220820       
585133161
/dev/sdb                                partition       117220820       
584806241
/dev/sde                                partition       117220820       
585251641
/dev/sdc                                partition       117220820       
584769281
think1 tonyr: cat /proc/swaps
Filename                                Type            Size            Used    
        Priority
/dev/sdd                                partition       117220820       
58513316        1
/dev/sdb                                partition       117220820       
58480624        1
/dev/sde                                partition       117220820       
58525164        1
/dev/sdc                                partition       117220820       
58476928        1
think1 tonyr: lsb_release -rd
No LSB modules are available.
Description:    Ubuntu 24.04.3 LTS
Release:        24.04
think1 tonyr: apt-cache policy mount
mount:
  Installed: 2.39.3-9ubuntu6.3
  Candidate: 2.39.3-9ubuntu6.3
  Version table:
 *** 2.39.3-9ubuntu6.3 500
        500 http://gb.archive.ubuntu.com/ubuntu noble-updates/main amd64 
Packages
        100 /var/lib/dpkg/status
     2.39.3-9ubuntu6 500
        500 http://gb.archive.ubuntu.com/ubuntu noble/main amd64 Packages
think1 tonyr: dpkg -S /usr/sbin/swapon
mount: /usr/sbin/swapon
```
This bug page doesn't allow me to say that the package name is mount

** Affects: ubuntu
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/2120931

Title:
  Poor formating of 'swapon --summary'

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