My host OS is FreeBSD 12.1-RELEASE and I am running two bhyve guests on it. One of them is a Debian GNU/Linux and the other on is FreeBSD-CURRENT.
I use iohyve to manage guest operating systems. Debian uses tap1 whereas FreeBSD-CURRENT uses tap0 as the network interface.
The Debian guest...
I sometimes have a problem with time on bhyve guest.
Time flows slower and slower. After restart OpenNTPd service date and time is ok.
The problem occurs when I'm resetting host without shutting down the guest.
Others VMs work ok with the same settings.
user@vm1:~ % sudo sysctl...