Snapd won't install anbox: cannot load apparmor profiles

[Pham Quoc Hung]

I trying to install anbox but failed. This is output.

~$ sudo snap install --devmode --beta anbox
error: cannot perform the following tasks:
- Setup snap "anbox" (158) security profiles (cannot setup apparmor for snap "anbox": cannot load apparmor profiles: exit status 1
apparmor_parser output:
AppArmor parser error for /var/lib/snapd/apparmor/profiles/snap.anbox.collect-bug-info in /etc/apparmor.d/tunables/global at line 17: Could not open 'tunables/proc'
AppArmor parser error for /var/lib/snapd/apparmor/profiles/snap.anbox.hook.configure in /etc/apparmor.d/tunables/global at line 17: Could not open 'tunables/proc'
AppArmor parser error for /var/lib/snapd/apparmor/profiles/snap.anbox.android-settings in /etc/apparmor.d/tunables/global at line 17: Could not open 'tunables/proc'
AppArmor parser error for /var/lib/snapd/apparmor/profiles/snap.anbox.appmgr in /etc/apparmor.d/tunables/global at line 17: Could not open 'tunables/proc'
AppArmor parser error for /var/lib/snapd/apparmor/profiles/snap.anbox.container-manager in /etc/apparmor.d/tunables/global at line 17: Could not open 'tunables/proc'
AppArmor parser error for /var/lib/snapd/apparmor/profiles/snap-update-ns.anbox in /etc/apparmor.d/tunables/global at line 17: Could not open 'tunables/proc'
AppArmor parser error for /var/lib/snapd/apparmor/profiles/snap.anbox.anbox in /etc/apparmor.d/tunables/global at line 17: Could not open 'tunables/proc'
AppArmor parser error for /var/lib/snapd/apparmor/profiles/snap.anbox.hook.install in /etc/apparmor.d/tunables/global at line 17: Could not open 'tunables/proc'
AppArmor parser error for /var/lib/snapd/apparmor/profiles/snap.anbox.shell in /etc/apparmor.d/tunables/global at line 17: Could not open 'tunables/proc'
)
- Setup snap "anbox" (158) security profiles (cannot load apparmor profiles: exit status 1
apparmor_parser output:
AppArmor parser error for /var/lib/snapd/apparmor/profiles/snap.anbox.collect-bug-info in /etc/apparmor.d/tunables/global at line 17: Could not open 'tunables/proc'
AppArmor parser error for /var/lib/snapd/apparmor/profiles/snap.anbox.hook.configure in /etc/apparmor.d/tunables/global at line 17: Could not open 'tunables/proc'
AppArmor parser error for /var/lib/snapd/apparmor/profiles/snap.anbox.android-settings in /etc/apparmor.d/tunables/global at line 17: Could not open 'tunables/proc'
AppArmor parser error for /var/lib/snapd/apparmor/profiles/snap.anbox.appmgr in /etc/apparmor.d/tunables/global at line 17: Could not open 'tunables/proc'
AppArmor parser error for /var/lib/snapd/apparmor/profiles/snap.anbox.container-manager in /etc/apparmor.d/tunables/global at line 17: Could not open 'tunables/proc'
AppArmor parser error for /var/lib/snapd/apparmor/profiles/snap-update-ns.anbox in /etc/apparmor.d/tunables/global at line 17: Could not open 'tunables/proc'
AppArmor parser error for /var/lib/snapd/apparmor/profiles/snap.anbox.anbox in /etc/apparmor.d/tunables/global at line 17: Could not open 'tunables/proc'
AppArmor parser error for /var/lib/snapd/apparmor/profiles/snap.anbox.hook.install in /etc/apparmor.d/tunables/global at line 17: Could not open 'tunables/proc'
AppArmor parser error for /var/lib/snapd/apparmor/profiles/snap.anbox.shell in /etc/apparmor.d/tunables/global at line 17: Could not open 'tunables/proc'
)

~$ snap list
Name Version Rev Tracking Publisher Notes
canonical-livepatch 8.2.0 58 stable canonical✓ -
core 16-2.37.4 6531 stable canonical✓ core

~$ snap version
snap 2.37.4+18.04.1
snapd 2.37.4+18.04.1
series 16
ubuntu 18.04
kernel 4.15.0-46-generic

If you need more infos, just tell me.
Thanks.

[John Lenton (chipaca)]

What's the output of 'snap version'?

[Pham Quoc Hung (2411-phamquochung)]

This is snap version:
snap 2.37.4+18.04.1
snapd 2.37.4+18.04.1
series 16
ubuntu 18.04
kernel 4.15.0-46-generic

[Zygmunt Krynicki (zyga)]

Hello

Did you customize your apparmor setup in any way? Does snapd fail to install other snaps or is it just for the anbox snap?