touch: /dev/.initramfs/lupin-waited-for-devs: No such file or directory
/scripts/casper-premount/20iso_scan: line 49: can't open /dev/sdb: No medium found
/scripts/casper-premount/20iso_scan: line 49: can't open /dev/sdc: No medium found
/scripts/casper-premount/20iso_scan: line 49: can't open /dev/sdd: No medium found
passwd: password expiry information changed.
dbus-daemon[771]: [session uid=999 pid=771] Activating service name='org.gtk.vfs.Daemon' requested by ':1.0' (uid=999 pid=772 comm="" label="unconfined")
dbus-daemon[771]: [session uid=999 pid=771] Successfully activated service 'org.gtk.vfs.Daemon'
dbus-daemon[771]: [session uid=999 pid=771] Activating service name='org.gtk.vfs.Metadata' requested by ':1.0' (uid=999 pid=772 comm="" label="unconfined")
fuse: device not found, try 'modprobe fuse' first
dbus-daemon[771]: [session uid=999 pid=771] Successfully activated service 'org.gtk.vfs.Metadata'
A connection to the bus can't be made
Initializing machine ID from random generator.
Using CD-ROM mount point /cdrom/
Identifying... [2d87fd95c4249bfcedfa0229bbeee4ce-2]
Scanning disc for index files...
Found 4 package indexes, 0 source indexes, 0 translation indexes and 1 signatures
Found label 'Xubuntu 19.10 _Eoan Ermine_ - Release amd64 (20191017)'
This disc is called: 
'Xubuntu 19.10 _Eoan Ermine_ - Release amd64 (20191017)'
Copying package lists...gpgv: Signature made Thu Oct 17 12:50:05 2019 UTC
gpgv:                using RSA key D94AA3F0EFE21092
gpgv: Good signature from "Ubuntu CD Image Automatic Signing Key (2012) <cdimage@ubuntu.com>"

Reading Package Indexes... 0%

Reading Package Indexes... Done
Writing new source list
Source list entries for this disc are:
deb cdrom:[Xubuntu 19.10 _Eoan Ermine_ - Release amd64 (20191017)]/ eoan main multiverse restricted universe
Repeat this process for the rest of the CDs in your set.