The gopsutil cpu implementation changed in v3

Was supposed to return the number of vCPU (i.e. nproc)
Before, both "physical" and "logical" returned the same.

The returned information should match cpuinfo and lscpu:
    CPU(s) = Socket(s) x Core(s) each x Thread(s) each

cmd/minikube/cmd/start.go

@@ -979,8 +979,8 @@ func validateCPUCount(drvName string) {
 	var cpuCount int
 	if driver.BareMetal(drvName) {
 
-		// Uses the gopsutil cpu package to count the number of physical cpu cores
-		ci, err := cpu.Counts(false)
+		// Uses the gopsutil cpu package to count the number of logical cpu cores
+		ci, err := cpu.Counts(true)
 		if err != nil {
 			klog.Warningf("Unable to get CPU info: %v", err)
 		} else {

pkg/minikube/machine/info.go

@@ -181,6 +181,7 @@ var (
 //  cachedCPUInfo will return a cached cpu info
 func cachedCPUInfo() ([]cpu.InfoStat, error) {
 	if cachedCPU == nil {
+		// one InfoStat per thread
 		i, err := cpu.Info()
 		cachedCPU = &i
 		cachedCPUErr = &err