RHEL8: Installation over the network fails, Emergency mode is entered while switching root

Issue

• When installing a system with RHEL8 over the network, the Emergency mode is entered and EXT4 failures are seen on the console

  ...
  [           ... ] EXT4-fs error (device dm-0): ext4_find_entry:1446: inode #...
  [           ... ] Buffer I/O error on dev dm-0, ...
  [FAILED] Failed to start Switch Root
  [           ... ] EXT4-fs error (device dm-0): ext4_find_entry:1446: inode #...
  [           ... ] Buffer I/O error on dev dm-0, ...
  [           ... ] EXT4-fs error (device dm-0): ext4_find_entry:1446: inode #...
  [           ... ] Buffer I/O error on dev dm-0, ...
  ...
  Warning: /dev/root does not exist
  ...
  Entering emergency mode. Exit the shell to continue.
  ...
  

• Alternatively, the following messages can be seen on the console (numbers may vary):

  ...
  [           ... ] loop: Write error at byte offset 29511680, length 4096.
  [           ... ] loop: Write error at byte offset 29515776, length 4096.
  [           ... ] loop: Write error at byte offset 29519872, length 4096.
  [           ... ] loop: Write error at byte offset 29523968, length 4096.
  [           ... ] blk_update_request: I/O error, dev loop2, sector 57640 op 0x1:(WRITE) flags 0x800 phys_seg 1 prio class 0
  [           ... ] blk_update_request: I/O error, dev loop2, sector 57648 op 0x1:(WRITE) flags 0x800 phys_seg 1 prio class 0
  [           ... ] blk_update_request: I/O error, dev loop2, sector 57656 op 0x1:(WRITE) flags 0x800 phys_seg 1 prio class 0
  [           ... ] blk_update_request: I/O error, dev loop2, sector 57664 op 0x1:(WRITE) flags 0x800 phys_seg 1 prio class 0
  ...
  Warning: /dev/root does not exist
  ...
  Entering emergency mode. Exit the shell to continue.
  ...