Avoid crash in vhost-user driver when running multithreaded
Avoid crash in vhost-user driver when running multithreaded

Change-Id: Ib54575453fd26ba1a7256e9d583c8f8532613ebc
Signed-off-by: Carsten Koester <c8a499f49902166b06b9d400e84d9da3e6cce414@cisco.com>
Signed-off-by: Damjan Marion <9141bba8b2efed526e55cf796d48631af330ad98@cisco.com>

FDio/vpp,GabrielGanne/vpp-flowtable,muharif/vpp,vpp-dev/vpp,GabrielGanne/vpp-flowtable,milanlenco/vpp,vpp-dev/vpp,milanlenco/vpp,vpp-dev/vpp,FDio/vpp,GabrielGanne/vpp-flowtable,vpp-dev/vpp,muharif/vpp,milanlenco/vpp,muharif/vpp,vpp-dev/vpp,muharif/vpp,GabrielGanne/vpp-flowtable,milanlenco/vpp,muharif/vpp,FDio/vpp,vpp-dev/vpp,chrisy/vpp,chrisy/vpp,chrisy/vpp,milanlenco/vpp,FDio/vpp,vpp-dev/vpp,muharif/vpp,chrisy/vpp,milanlenco/vpp,FDio/vpp,chrisy/vpp,FDio/vpp,FDio/vpp,chrisy/vpp,GabrielGanne/vpp-flowtable,GabrielGanne/vpp-flowtable,chrisy/vpp,chrisy/vpp,FDio/vpp