On a Bonded (tested in bonding mode 1, 2, 4 & 5) ethernet connection (tested with both intel & broadcom nics) on a VLAN'd and Bridged (for KVM) connection the bridge will be disabled when a bonded slave becomes disabled. <br />
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After the message in the logs that the slave is down, within a second the following message appears :<br />
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kernel: br1: port 1(bond0.8) entering disabled state<br />
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Interestingly enough packets will flow for that moment between the slave loosing connection and the bridge disabled message. <br />
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I was browsing through the relevant kernel source, and while completely amateur I am curious if the bridge gets the NETDEV notify message when the bond slave is lost?
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