The main fix here is Patch 1, which adds the code necessary to support live update of the vlan tag for a direct (macvtap) passthrough interface, thus resolving two separate issues. The other three are just small annoyances that I found while testing. Laine Stump (4): qemu: update vlan tag of macvtap (direct) passthrough devices during update-device qemu: use actual/effective vlan when updating OVS-based interface vlan tag conf: validate that specified interface type supports vlan tags conf: simplify check for vlan tagging support in virDomainActualNetDefValidate() src/conf/domain_validate.c | 52 +++++++++++++++++++++++++++++++++----- src/qemu/qemu_hotplug.c | 14 ++++++++-- 2 files changed, 57 insertions(+), 9 deletions(-) -- 2.52.0