Comment 31 for bug 1771858

Verified 237-3ubuntu10.24 on Bionic:

root@bb:~# systemd-run /usr/bin/env
Running as unit: run-r14e6d7c0430841c59697a5c84ded2a88.service
root@bb:~# dpkg -l systemd | cat
Desired=Unknown/Install/Remove/Purge/Hold
| Status=Not/Inst/Conf-files/Unpacked/halF-conf/Half-inst/trig-aWait/Trig-pend
|/ Err?=(none)/Reinst-required (Status,Err: uppercase=bad)
||/ Name Version Architecture Description
+++-==============-================-============-=================================
ii systemd 237-3ubuntu10.23 amd64 system and service manager
root@bb:~# systemd-run /usr/bin/env
Running as unit: run-r512450e1e4134a86bc6c65eb4b68d9c3.service
root@bb:~# journalctl -e | grep PATH
Jun 26 06:54:12 bb env[2830]: PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin
Jun 26 06:54:38 bb env[2835]: PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin
root@bb:~# sed -i 's/-backports/-proposed/' /etc/apt/sources.list
root@bb:~# apt update -qq
16 packages can be upgraded. Run 'apt list --upgradable' to see them.
root@bb:~# apt install -y -qq systemd
...
root@bb:~# ls -alh /usr/lib/systemd/system-environment-generators/snapd-env-generator
-rw-r--r-- 1 root root 44K Jun 5 06:41 /usr/lib/systemd/system-environment-generators/snapd-env-generator
root@bb:~# chmod +x /usr/lib/systemd/system-environment-generators/snapd-env-generator
root@bb:~# reboot

Session terminated, terminating shell...rbalint@yogi:~$ lxc shell bb
mesg: ttyname failed: No such device
root@bb:~# dpkg -l systemd | cat
Desired=Unknown/Install/Remove/Purge/Hold
| Status=Not/Inst/Conf-files/Unpacked/halF-conf/Half-inst/trig-aWait/Trig-pend
|/ Err?=(none)/Reinst-required (Status,Err: uppercase=bad)
||/ Name Version Architecture Description
+++-==============-================-============-=================================
ii systemd 237-3ubuntu10.24 amd64 system and service manager
root@bb:~# journalctl -e | grep PATH
Jun 26 06:54:12 bb env[2830]: PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin
Jun 26 06:54:38 bb env[2835]: PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin
root@bb:~# systemd-run /usr/bin/env
Running as unit: run-r5a67017348664e9face4a9f084dfcde7.service
root@bb:~# journalctl -e | grep PATH
Jun 26 06:54:12 bb env[2830]: PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin
Jun 26 06:54:38 bb env[2835]: PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin
Jun 26 06:59:20 bb env[311]: PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/snap/bin