Here is the upgrade log. Note that these parser errors are unrelated to apparmor 2.13 and an issue with the snapd packaging:
AppArmor parser error for /etc/apparmor.d in /etc/apparmor.d/usr.lib.snapd.snap-confine.real at line 11: Could not open '/var/lib/snapd/apparmor/snap-confine'
AppArmor parser error for /etc/apparmor.d/usr.lib.snapd.snap-confine.real in /etc/apparmor.d/usr.lib.snapd.snap-confine.real at line 11: Could not open '/var/lib/snapd/apparmor/snap-confine'
Here is the upgrade log. Note that these parser errors are unrelated to apparmor 2.13 and an issue with the snapd packaging:
AppArmor parser error for /etc/apparmor.d in /etc/apparmor. d/usr.lib. snapd.snap- confine. real at line 11: Could not open '/var/lib/ snapd/apparmor/ snap-confine' d/usr.lib. snapd.snap- confine. real in /etc/apparmor. d/usr.lib. snapd.snap- confine. real at line 11: Could not open '/var/lib/ snapd/apparmor/ snap-confine'
AppArmor parser error for /etc/apparmor.