[2247698.299393] sd 8:0:0:0: [sdb] tag#0 CDB: ATA command pass through(16) 85 06 20 00 00 00 00 00 00 00 00 00 00 00 e5 00
[2248298.344950] sd 8:0:0:0: [sdb] tag#0 FAILED Result: hostbyte=DID_ERROR driverbyte=DRIVER_SENSE
[2248298.344957] sd 8:0:0:0: [sdb] tag#0 Sense Key : Hardware Error [current] [descriptor]
[2248298.344959] sd 8:0:0:0: [sdb] tag#0 Add. Sense: No additional sense information
[2248298.344963] sd 8:0:0:0: [sdb] tag#0 CDB: ATA command pass through(16) 85 06 20 00 00 00 00 00 00 00 00 00 00 00 e5 00
[2248898.332264] sd 8:0:0:0: [sdb] tag#0 FAILED Result: hostbyte=DID_ERROR driverbyte=DRIVER_SENSE
[2248898.332279] sd 8:0:0:0: [sdb] tag#0 Sense Key : Hardware Error [current] [descriptor]
[2248898.332286] sd 8:0:0:0: [sdb] tag#0 Add. Sense: No additional sense information
[2248898.332295] sd 8:0:0:0: [sdb] tag#0 CDB: ATA command pass through(16) 85 06 20 00 00 00 00 00 00 00 00 00 00 00 e5 00
[2249369.862945] audit: type=1400 audit(1517795551.139:700): apparmor="DENIED" operation="open" profile="/usr/lib/NetworkManager/nm-dhcp-helper" name="/etc/ld.so.preload" pid=12285 comm="nm-dhcp-helper" requested_mask="r" denied_mask="r" fsuid=0 ouid=0

[2248898.332295] sd 8:0:0:0: [sdb] tag#0 CDB: ATA command pass through(16) 85 06 20 00 00 00 00 00 00 00 00 00 00 00 e5 00
[2249369.862945] audit: type=1400 audit(1517795551.139:700): apparmor="DENIED" operation="open" profile="/usr/lib/NetworkManager/nm-dhcp-helper" name="/etc/ld.so.preload" pid=12285 comm="nm-dhcp-helper" requested_mask="r" denied_mask="r" fsuid=0 ouid=0
[2249498.362133] sd 8:0:0:0: [sdb] tag#0 FAILED Result: hostbyte=DID_ERROR driverbyte=DRIVER_SENSE
[2249498.362144] sd 8:0:0:0: [sdb] tag#0 Sense Key : Hardware Error [current] [descriptor]
[2249498.362148] sd 8:0:0:0: [sdb] tag#0 Add. Sense: No additional sense information
[2249498.362155] sd 8:0:0:0: [sdb] tag#0 CDB: ATA command pass through(16) 85 06 20 00 00 00 00 00 00 00 00 00 00 00 e5 00
[2250098.402181] sd 8:0:0:0: [sdb] tag#0 FAILED Result: hostbyte=DID_ERROR driverbyte=DRIVER_SENSE
[2250098.402196] sd 8:0:0:0: [sdb] tag#0 Sense Key : Hardware Error [current] [descriptor]
[2250098.402203] sd 8:0:0:0: [sdb] tag#0 Add. Sense: No additional sense information
[2250098.402212] sd 8:0:0:0: [sdb] tag#0 CDB: ATA command pass through(16) 85 06 20 00 00 00 00 00 00 00 00 00 00 00 e5 00

13:04:07 b:~ $ uname -a
Linux my_computer 4.4.0-108-generic #131-Ubuntu SMP Sun Jan 7 14:34:49 UTC 2018 x86_64 x86_64 x86_64 GNU/Linux

13:04:37 b:~ $ ls -a /boot
.                             initrd.img-4.4.0-112-generic
..                            lost+found
abi-4.13.0-31-generic         memtest86+.bin
abi-4.13.0-32-generic         memtest86+.elf
abi-4.4.0-108-generic         memtest86+_multiboot.bin
abi-4.4.0-112-generic         System.map-4.13.0-31-generic
config-4.13.0-31-generic      System.map-4.13.0-32-generic
config-4.13.0-32-generic      System.map-4.4.0-108-generic
config-4.4.0-108-generic      System.map-4.4.0-112-generic
config-4.4.0-112-generic      vmlinuz-4.13.0-31-generic
grub                          vmlinuz-4.13.0-32-generic
initrd.img-4.13.0-31-generic  vmlinuz-4.4.0-108-generic
initrd.img-4.13.0-32-generic  vmlinuz-4.4.0-112-generic
initrd.img-4.4.0-108-generic