Comment 41 for bug 1766890

I also performed an upgrade from Ubuntu 16.04, with the apt-clone file restored, to Ubuntu 18.04 using the dist-upgrader from -proposed.. The upgrade proceeded without error and libc6 was installed first.

bdmurray@clean-xenial-amd64:~$ grep -n "libc6\|gnome-menus" /var/log/dist-upgrade/apt-term.log
9:Preparing to unpack .../libc6-dev_2.27-3ubuntu1_amd64.deb ...
10:Unpacking libc6-dev:amd64 (2.27-3ubuntu1) over (2.23-0ubuntu10) ...
11:Preparing to unpack .../libc6-dbg_2.27-3ubuntu1_amd64.deb ...
12:Unpacking libc6-dbg:amd64 (2.27-3ubuntu1) over (2.23-0ubuntu10) ...
15:Preparing to unpack .../libc6_2.27-3ubuntu1_amd64.deb ...
19:Unpacking libc6:amd64 (2.27-3ubuntu1) over (2.23-0ubuntu10) ...
20:Setting up libc6:amd64 (2.27-3ubuntu1) ...
32:Preparing to unpack .../libc6-i386_2.27-3ubuntu1_amd64.deb ...
33:Unpacking libc6-i386 (2.27-3ubuntu1) over (2.23-0ubuntu10) ...
36:Setting up libc6-dev:amd64 (2.27-3ubuntu1) ...
37:Setting up libc6-dbg:amd64 (2.27-3ubuntu1) ...
59:Setting up libc6-i386 (2.27-3ubuntu1) ...
224:Processing triggers for gnome-menus (3.13.3-6ubuntu3.1) ...
237:Processing triggers for gnome-menus (3.13.3-6ubuntu3.1) ...
305:Processing triggers for gnome-menus (3.13.3-6ubuntu3.1) ...
701:dpkg: gnome-menus: dependency problems, but processing triggers anyway as you requested:
702: gnome-menus depends on python3:any (>= 3.1~); however:
705:Processing triggers for gnome-menus (3.13.3-6ubuntu3.1) ...
4150:Preparing to unpack .../gnome-menus_3.13.3-11ubuntu1.1_amd64.deb ...
4151:Unpacking gnome-menus (3.13.3-11ubuntu1.1) over (3.13.3-6ubuntu3.1) ...
12060:Setting up gnome-menus (3.13.3-11ubuntu1.1) ...
14849:Processing triggers for gnome-menus (3.13.3-11ubuntu1.1) ...
14901:Processing triggers for gnome-menus (3.13.3-11ubuntu1.1) ...
14923:Processing triggers for gnome-menus (3.13.3-11ubuntu1.1) ...