[maintenance.maintenance_10_linux : 10-032: Disk: Fstab: fstab correct] finmnt

[adf-patrickha]

Since switching to findmnt for the check 10-032: Disk: Fstab: fstab correct in #79, the check is failing on a lot of hosts, due to cdrom entries in fstab:

    "linux_mount_all.stdout_lines": [  
        "/media/cdrom0",                                                                                                                                                                                             
        "   [ ] target exists",                                                                                                                                                                                      
        "   [ ] userspace options: user,noauto",                                                                                                                                                                     
        "   [ ] source /dev/sr0 exists",                                                                                                                                                                             
        "   [W] udf,iso9660 seems unsupported by the current kernel",                                                                                                                                                
        "   [E] udf,iso9660 does not match with on-disk iso9660"  
    ]

findmnt itself works as it's supposed to do, but I'm not sure if cdrom entries in fstab are in any way relevant for this task or if they should just be ignored entirely.