Initial support for zsys

apparmor.d/groups/ubuntu/do-release-upgrade

@@ -35,6 +35,7 @@ profile do-release-upgrade @{exec_path} {
   /etc/machine-id r,
   /etc/update-manager/{,**} r,
 
+  /var/lib/ubuntu-release-upgrader/release-upgrade-available rw,
   /var/lib/update-manager/* rw,
   /var/cache/apt/pkgcache.bin{,.*} rw,
 

apparmor.d/groups/ubuntu/release-upgrade-motd

@@ -15,11 +15,13 @@ profile release-upgrade-motd @{exec_path} {
   /{usr/,}bin/{,ba,da}sh          rix,
   /{usr/,}bin/date                rix,
   /{usr/,}bin/expr                rix,
+  /{usr/,}bin/id                  rix,
   /{usr/,}bin/stat                rix,
   /{usr/,}bin/do-release-upgrade  rPx,
 
   /var/lib/ubuntu-release-upgrader/release-upgrade-available rw,
 
+  @{PROC}/filesystems r,
 
   include if exists <local/release-upgrade-motd>
 }