Affected process
```
root      1166  0.0  0.0  72292  5812 ?        Ss    2019   0:00 /usr/sbin/sshd 
-D
```

Output of `ls -latr /proc/1166/fd`

total 0
dr-xr-xr-x 9 root root  0 Jan 14 12:00 ..
dr-x------ 2 root root  0 Jan 14 12:31 .
lrwx------ 1 root root 64 Jan 14 12:31 4 -> 'socket:[24485]'
lrwx------ 1 root root 64 Jan 14 12:31 3 -> 'socket:[24483]'
lrwx------ 1 root root 64 Jan 14 12:31 2 -> 'socket:[24455]'
lrwx------ 1 root root 64 Jan 14 12:31 1 -> 'socket:[24455]'
lr-x------ 1 root root 64 Jan 14 12:31 0 -> /dev/null


Should we disable `cloud-init` altogether?

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Touch seeded packages, which is subscribed to util-linux in Ubuntu.
https://bugs.launchpad.net/bugs/1856560

Title:
  ds-identify - stuck in uninterruptible sleep state

Status in cloud-init:
  Invalid
Status in util-linux package in Ubuntu:
  New

Bug description:
  We got recurring issues with the cloud-init/ds-identify process. It
  spawns sub-processes "blkid -c /dev/null -o export" which gets stuck
  in the "D" uninterruptible sleep state.

  The processes cannot be killed, so the only solution is to reboot the
  affected server.

  root 3839 0.0 0.0 4760 1840 ? S Dec05 0:00 /bin/sh 
/usr/lib/cloud-init/ds-identify
  root 3844 0.0 0.0 11212 2836 ? D Dec05 0:00 \_ blkid -c /dev/null -o export
  root 6943 0.0 0.0 4760 1880 ? S Dec05 0:00 /bin/sh 
/usr/lib/cloud-init/ds-identify
  root 6948 0.0 0.0 11212 2844 ? D Dec05 0:00 \_ blkid -c /dev/null -o export
  root 6111 0.0 0.0 4760 1916 ? S Dec12 0:00 /bin/sh 
/usr/lib/cloud-init/ds-identify
  root 6149 0.0 0.0 11212 2940 ? D Dec12 0:00 \_ blkid -c /dev/null -o export
  root 8765 0.0 0.3 926528 24968 ? Ssl Dec12 0:12 /usr/lib/snapd/snapd
  root 9179 0.0 0.0 4760 1892 ? S Dec12 0:00 /bin/sh 
/usr/lib/cloud-init/ds-identify
  root 9185 0.0 0.0 11980 3552 ? D Dec12 0:00 \_ blkid -c /dev/null -o export

  Distributor ID: Ubuntu
  Description: Ubuntu 18.04.3 LTS
  Release: 18.04
  Codename: bionic

  5.0.0-36-generic #39~18.04.1-Ubuntu SMP Tue Nov 12 11:09:50 UTC 2019
  x86_64 x86_64 x86_64 GNU/Linux

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