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nd6_na_input: duplicate IP6 address



Seeing a lot of these messages coming from the kernel after my update to the latest 8.0-STABLE branch (as of yesterday morning)

nd6_na_input: duplicate IP6 address <IPv6 address of machine>

First one appears when booting just after printing duplicate detection.

Network interface is:
wm0 at pci0 dev 25 function 0: I218 V Ethernet Connection (rev. 0x00)
wm0: interrupting at msi2 vec 0
wm0: PCI-Express bus
wm0: 2048 words FLASH
wm0: Ethernet address 10:c3:7b:95:20:ed
wm0: 0x2a4480<FLASH,IOH_VALID,PCIE,ASF_FIRM,AMT,WOL>
ihphy0 at wm0 phy 2: i217 10/100/1000 media interface, rev. 5

This is using dhcpd with default config apart from the fact that I've disabled slaac private and enabled slaac hwaddr

Another machine on the same network with a static V6 address does not see these message when running the same kernel.

It doesn't seem to impact v6 connectivity as far as I can tell.

Mike



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