hostA.cap
tcpdump -i eno1 -w hostA.cap
  frame 124, 125 -> OK
  frame 217, 218 -> OK
  frame 291, 292 -> OK
  frame 373 -> Multicast Listener Query
  frame 484 -> no reply?
  frame 572 -> no reply?
  frame 665 -> no reply?

hostB.cap
tcpdump -i br0 -w hostB.cap
  frame 106, 108 -> OK
  frame 214, 216 -> OK
  frame 300, 302 -> OK
  frame 396 -> Multicast Listener Query
  frame 523 -> no reply?
  frame 623 -> no reply?
  frame 730 -> no reply?

guest.cap
tcpdump -i eth0 -w guest.cap
  frame 89, 90 -> OK
  frame 181, 182 -> OK
  frame 254, 255 -> OK
  frame 334 -> Multicast Listener Query
  no more neigh. solicit packets