[  838.533600] 8021q: adding VLAN 0 to HW filter on device bond0
[  838.537423] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  838.541183] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  838.544944] br0: port 1(veth0) entered blocking state
[  838.544973] br0: port 1(veth0) entered disabled state
[  838.545012] veth0: entered allmulticast mode
[  838.545079] veth0: entered promiscuous mode
[  838.548863] br0: port 2(veth1) entered blocking state
[  838.548893] br0: port 2(veth1) entered disabled state
[  838.548924] veth1: entered allmulticast mode
[  838.548973] veth1: entered promiscuous mode
[  839.568500] br0: port 1(veth0) entered blocking state
[  839.568547] br0: port 1(veth0) entered forwarding state
[  839.568589] br0: port 2(veth1) entered blocking state
[  839.568617] br0: port 2(veth1) entered forwarding state
[  840.592481] bond0: (slave veth0): link status definitely up
[  840.592533] bond0: (slave veth1): link status definitely up
[  840.592605] bond0: (slave veth0): making interface the new active one
[  840.592654] bond0: active interface up!
[  840.609167] veth1: left allmulticast mode
[  840.609204] veth1: left promiscuous mode
[  840.609264] br0: port 2(veth1) entered disabled state
[  840.609376] veth0: left allmulticast mode
[  840.609408] veth0: left promiscuous mode
[  840.609434] br0: port 1(veth0) entered disabled state
[  840.618836] bond0: (slave veth1): Releasing backup interface
[  840.624587] bond0: (slave veth0): Releasing backup interface
[  840.653525] bond0 (unregistering): Released all slaves