[root@LCENT02:/home/bluethundr]#virsh list
 Id Name                 State
----------------------------------
  0 Domain-0             running
  9 vm10                 idle
 10 vm11                 idle
 11 vm12                 idle
 12 vm13                 idle
 13 vm14                 idle
 14 vm15                 idle


[root@LCENT02:/home/bluethundr]#virsh list | grep -v -e Id -e --- -e 0 | awk '{print $1}'
11
12
13
14