In prep to add golangci-lint, fix various linting issues.
* Make the `kvm` package a fully-qualified public package.
Signed-off-by: SuperQ <superq@gmail.com>
* feat(ntp): use ntp server from dhcp info
* feat(ntp): use ntp server from dhcp info
* feat(ntp): add delay between time sync attempts
* chore(ntp): more logging