Okay, I tried to reproduce on Wheezy. Turns out, I cannot
Pekka described the issue (totally correct):
> By "not working", I saw that RAs were sent OK, but
> 1) with the old MAC address as the source link-layer address, and
> 2) in the Link-Layer Option in RA.
1. can still be reproduced, it is sending from the wrong MAC address.
But 2., which is the reason it was originally discovered (because it
overwrites the neighbor table entry and starts blackholing traffic)
seems to be gone.
3: vmbr0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state
UP
link/ether fe:16:3e:7f:56:9f brd ff:ff:ff:ff:ff:ff
sends this
Ethernet II, Src: fe:16:3e:7c:30:aa (fe:16:3e:7c:30:aa), Dst:
IPv6mcast_00:00:00:01 (33:33:00:00:00:01)
[...]
ICMPv6 Option (Source link-layer address : fe:16:3e:7f:56:9f)
Type: Source link-layer address (1)
Length: 1 (8 bytes)
Link-layer address: fe:16:3e:7f:56:9f (fe:16:3e:7f:56:9f)
fe:16:3e:7c:30:aa used to be the mac address before the change.
I cannot observe any breakage of my VMs either.
Bernhard
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