gistfile1.txt

root@zfwpc179:~# cat /etc/apt/sources.list
deb http://ports.ubuntu.com/ubuntu-ports bionic main
deb http://ports.ubuntu.com/ubuntu-ports bionic universe
deb http://ports.ubuntu.com/ubuntu-ports bionic-proposed main universe restricted multiverse
root@zfwpc179:~# apt update
Hit:1 http://ports.ubuntu.com/ubuntu-ports bionic InRelease
Get:2 http://ports.ubuntu.com/ubuntu-ports bionic-proposed InRelease [242 kB]
Get:3 http://ports.ubuntu.com/ubuntu-ports bionic-proposed/main s390x Packages [72.9 kB]
Get:4 http://ports.ubuntu.com/ubuntu-ports bionic-proposed/main Translation-en [41.6 kB]
Get:5 http://ports.ubuntu.com/ubuntu-ports bionic-proposed/universe s390x Packages [93.9 kB]
Get:6 http://ports.ubuntu.com/ubuntu-ports bionic-proposed/universe Translation-en [27.8 kB]
Get:7 http://ports.ubuntu.com/ubuntu-ports bionic-proposed/restricted Translation-en [5,580 B]
Fetched 484 kB in 0s (1,147 kB/s)                     
Reading package lists... Done
Building dependency tree       
Reading state information... Done
39 packages can be upgraded. Run 'apt list --upgradable' to see them.
root@zfwpc179:~# apt list --upgradable | grep systemd

WARNING: apt does not have a stable CLI interface. Use with caution in scripts.