Comment 9 for bug 1828892

Verification on Xenial.

Repeating test case from description.

- Test case 1 - libvirtd

alias service : libvirtd
aliased service : libvirt-bin

# ls -la libvirtd.service
lrwxrwxrwx 1 root root 39 Mar 21 16:27 libvirtd.service -> /lib/systemd/system/libvirt-bin.service

# systemctl is-active libvirtd
active

# systemctl is-active libvirt-bin
active

- Test case 2 - sshd

alias service : sshd
aliased service : ssh

# ls -la sshd.service
lrwxrwxrwx 1 root root 31 Mar 21 14:39 sshd.service -> /lib/systemd/system/ssh.service

# systemctl is-active sshd
active

# systemctl is-active ssh
active

# dpkg -l | grep systemd
ii libpam-systemd:amd64 229-4ubuntu21.22 amd64 system and service manager - PAM module
ii libsystemd0:amd64 229-4ubuntu21.22 amd64 systemd utility library
ii systemd 229-4ubuntu21.22 amd64 system and service manager
ii systemd-sysv 229-4ubuntu21.22 amd64 system and service manager - SysV links