[  521.281819] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  521.289496] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  521.298872] br0: port 1(veth0) entered blocking state
[  521.298954] br0: port 1(veth0) entered disabled state
[  521.299021] veth0: entered allmulticast mode
[  521.299121] veth0: entered promiscuous mode
[  521.307709] br0: port 2(veth1) entered blocking state
[  521.307784] br0: port 2(veth1) entered disabled state
[  521.307846] veth1: entered allmulticast mode
[  521.307942] veth1: entered promiscuous mode
[  521.642987] br0: port 1(veth0) entered blocking state
[  521.643120] br0: port 1(veth0) entered forwarding state
[  521.643192] br0: port 2(veth1) entered blocking state
[  521.643233] br0: port 2(veth1) entered forwarding state
[  523.322964] bond0: (slave veth1): link status definitely up
[  523.323110] bond0: (slave veth1): making interface the new active one
[  523.323178] bond0: active interface up!
[  523.442495] veth1: left allmulticast mode
[  523.442549] veth1: left promiscuous mode
[  523.442613] br0: port 2(veth1) entered disabled state
[  523.442725] veth0: left allmulticast mode
[  523.442757] veth0: left promiscuous mode
[  523.442788] br0: port 1(veth0) entered disabled state
[  523.460263] bond0: (slave veth1): Releasing backup interface
[  523.470120] bond0: (slave veth0): Releasing backup interface
[  523.502149] bond0 (unregistering): Released all slaves