Comment 14 for bug 1830430

for "2019-05-24T15:15:51.686 controller-0 kernel: err [ 3291.728637] kvm [898299]: vcpu0 disabled perfctr wrmsr: 0xc2 data 0xffff"

similar reported https://access.redhat.com/solutions/2188061 , the wrmsr is 0xc1.
The explanation is
This warning message is reporting that the operating system cannot access the HW PMU counters and should not be of any concern. HP has advisories describing these messages and their recommended solution.