Other behavior qemu-guest-agent in version Leap 42.3 and 15.0

In version 42.3
 rpm qemu-guest-agent-2.9.1-44.1.x86_64 
 systemctl  status qemu-ga
  Main PID: 1080 (qemu-ga) 
  ...

 systemctl is-enabled qemu-ga
   static

 connect to quest:
  qm agent 151 fsfreeze-status
  thawed  (OK)

In version 15.0
  rpm qemu-guest-agent-2.11.1-lp150.6.7.x86_64
  systemctl  status qemu-ga@virtiox2dports-org.qemu.guest_agent.0
   Active: inactive (dead)

  systemctl  is-enabled qemu-ga@virtiox2dports-org.qemu.guest_agent.0
    disabled

  connect to quest:
   qm agent 179 fsfreeze-status
   unable to connect to VM 179 qga socket - timeout after 31 retries