[  838.497537] 8021q: adding VLAN 0 to HW filter on device bond0
[  838.501352] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  838.505077] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  838.508773] br0: port 1(veth0) entered blocking state
[  838.508804] br0: port 1(veth0) entered disabled state
[  838.508839] veth0: entered allmulticast mode
[  838.508897] veth0: entered promiscuous mode
[  838.512528] br0: port 2(veth1) entered blocking state
[  838.512596] br0: port 2(veth1) entered disabled state
[  838.512661] veth1: entered allmulticast mode
[  838.512753] veth1: entered promiscuous mode
[  838.564184] br0: port 1(veth0) entered blocking state
[  838.564258] br0: port 1(veth0) entered forwarding state
[  838.564345] br0: port 2(veth1) entered blocking state
[  838.564406] br0: port 2(veth1) entered forwarding state
[  840.578185] bond0: (slave veth1): link status definitely up
[  840.578279] bond0: (slave veth1): making interface the new active one
[  840.578347] bond0: active interface up!
[  840.683854] veth1: left allmulticast mode
[  840.683895] veth1: left promiscuous mode
[  840.683954] br0: port 2(veth1) entered disabled state
[  840.684066] veth0: left allmulticast mode
[  840.684094] veth0: left promiscuous mode
[  840.684119] br0: port 1(veth0) entered disabled state
[  840.688477] bond0: (slave veth1): Releasing backup interface
[  840.694319] bond0: (slave veth0): Releasing backup interface
[  840.720219] bond0 (unregistering): Released all slaves