text: 12.Uninstall the old kernels from VMs: 
  
  **ansible -i <inventory_file> nodes,lb -a 'package-cleanup -y --oldkernels**
  **--count=1'**
  mstnode01.domain.example.com | SUCCESS | rc=0 >> 
  Loaded plugins: product-id, subscription-manager 
  --> Running transaction check 
  ---> Package kernel.ppc64le 0:4.14.0-115.13.1.el7a will be erased 
  ... 
  Output truncated 
  ... 
  Removed: 
   kernel.ppc64le 0:4.14.0-115.13.1.el7a 
  Complete! 