[  874.456847] 8021q: adding VLAN 0 to HW filter on device bond0
[  874.459906] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  874.462943] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  874.465868] br0: port 1(veth0) entered blocking state
[  874.465899] br0: port 1(veth0) entered disabled state
[  874.465936] veth0: entered allmulticast mode
[  874.465995] veth0: entered promiscuous mode
[  874.468935] br0: port 2(veth1) entered blocking state
[  874.469009] br0: port 2(veth1) entered disabled state
[  874.469077] veth1: entered allmulticast mode
[  874.469165] veth1: entered promiscuous mode
[  874.849983] br0: port 1(veth0) entered blocking state
[  874.850061] br0: port 1(veth0) entered forwarding state
[  874.850147] br0: port 2(veth1) entered blocking state
[  874.850214] br0: port 2(veth1) entered forwarding state
[  876.481981] bond0: (slave veth1): link status definitely up
[  876.482066] bond0: (slave veth1): making interface the new active one
[  876.482128] bond0: active interface up!
[  876.498457] veth1: left allmulticast mode
[  876.498492] veth1: left promiscuous mode
[  876.498524] br0: port 2(veth1) entered disabled state
[  876.498702] veth0: left allmulticast mode
[  876.498723] veth0: left promiscuous mode
[  876.498749] br0: port 1(veth0) entered disabled state
[  876.505402] bond0: (slave veth1): Releasing backup interface
[  876.511090] bond0: (slave veth0): Releasing backup interface
[  876.537005] bond0 (unregistering): Released all slaves