lxc-test-apparmor-mount fails on aws : r3.large

[Sean Feole]

Cloud: AWS
Instance: r3.large
Kernel: 4.15.0-1038.40~16.04.1 linux-aws-hwe
Reproduced: 3 times out of 3

Problem:

Note this only occured on with this kernel/cloud/instance combo.

lxc-test-apparmor-mount-fails

4/29 23:16:48 DEBUG| utils:0153| [stdout] FAIL: lxc-tests: /usr/bin/lxc-test-apparmor-mount
04/29 23:16:48 DEBUG| utils:0153| [stdout] ---
04/29 23:16:48 DEBUG| utils:0153| [stdout] /usr/sbin/deluser: The user `lxcunpriv' does not exist.
04/29 23:16:48 DEBUG| utils:0153| [stdout] Setting up the GPG keyring
04/29 23:16:48 DEBUG| utils:0153| [stdout] ERROR: Unable to fetch GPG key from keyserver.
04/29 23:16:48 DEBUG| utils:0153| [stdout] Error creating container tmp.MktlPnh48I
04/29 23:16:48 DEBUG| utils:0153| [stdout] Container is not defined
04/29 23:16:48 DEBUG| utils:0153| [stdout] umount: /sys/kernel/security/apparmor/features/mount: not mounted
04/29 23:16:48 DEBUG| utils:0153| [stdout] sed: can't read /run/lxc/nics: No such file or directory
04/29 23:16:48 DEBUG| utils:0153| [stdout] ---