macvlan device blocks traffic for 30 secs

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Hi,


it's a while since I have last toyed with macvlan, but for some 
experimenting, it came up as something usable again. What I noticed 
while testing:

guest# ip link add link eth0 name mqv0 type macvlan
guest# ip link set dev mqv0 up

At this point, any connections drop for a specific amount of time.

host$ ping 192.168.100.101
PING 192.168.100.101 (192.168.100.101) 56(84) bytes of data.
64 bytes from 192.168.100.101: icmp_seq=1 ttl=64 time=4.87 ms
64 bytes from 192.168.100.101: icmp_seq=2 ttl=64 time=0.353 ms
64 bytes from 192.168.100.101: icmp_seq=3 ttl=64 time=0.341 ms
64 bytes from 192.168.100.101: icmp_seq=4 ttl=64 time=0.335 ms
64 bytes from 192.168.100.101: icmp_seq=5 ttl=64 time=0.345 ms
64 bytes from 192.168.100.101: icmp_seq=6 ttl=64 time=0.378 ms
64 bytes from 192.168.100.101: icmp_seq=7 ttl=64 time=0.283 ms
64 bytes from 192.168.100.101: icmp_seq=8 ttl=64 time=0.372 ms
64 bytes from 192.168.100.101: icmp_seq=37 ttl=64 time=5.04 ms
64 bytes from 192.168.100.101: icmp_seq=38 ttl=64 time=0.291 ms

and I am not quite sure why that is. The ARP entries don't change.
Can you reproduce this?


Jan
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