https://github.com/churchers/vm-bhyve/wiki/Virtual-Switches#assigning-a-vlan-number
未解決
bhyve with vlans - host and vm can't pass traffic | The FreeBSD Forums
freebsd-net - bhyve with vlans - host and vm can't pass traffic
Solved - bhyve networking issues with ix, lagg, tap, and bridge | The FreeBSD Forums