from the other bug, we need to make sure that we have following additional knobs
set interfaces irb unit 100 family inet address 10.1.0.251/24 preferred set interfaces irb unit 100 virtual-gateway-v4-mac 00:00:5e:04:00:00
from the other bug, we need to make sure that we have following additional knobs
set interfaces irb unit 100 family inet address 10.1.0.251/24 preferred gateway- v4-mac 00:00:5e:04:00:00
set interfaces irb unit 100 virtual-