I have a bridge connecting 2 Linux interfaces, and there are packet drops between bridge tx and receiving interface rx. The tcpdump results matches the packets counts from ifconfig, but neither side is reporting any packets being dropped. So any idea how I can find out where and who is dropping the packets? There are around 8000 packet drops unaccounted for.

breth-a-a Link encap:Ethernet HWaddr 1E:EA:1BA:E2:3B
UP BROADCAST RUNNING PROMISC MULTICAST MTU:1500 Metric:1
RX packets:20000 errors:0 dropped:0 overruns:0 frame:0
TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:9880000 (9.4 MiB) TX bytes:0 (0.0 B)

if-a-a Link encap:Ethernet HWaddr 1E:EA:1BA:E2:3B
UP BROADCAST RUNNING PROMISC MULTICAST MTU:1500 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:12061 errors:0 dropped:38 overruns:38 carrier:0
collisions:0 txqueuelen:1000
RX bytes:0 (0.0 B) TX bytes:6126988 (5.8 MiB)
Memory:1ae8000-1ae8fff

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