[  873.635993] 8021q: adding VLAN 0 to HW filter on device bond0
[  873.639656] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  873.643357] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  873.646890] br0: port 1(veth0) entered blocking state
[  873.646957] br0: port 1(veth0) entered disabled state
[  873.647024] veth0: entered allmulticast mode
[  873.647116] veth0: entered promiscuous mode
[  873.650621] br0: port 2(veth1) entered blocking state
[  873.650652] br0: port 2(veth1) entered disabled state
[  873.650697] veth1: entered allmulticast mode
[  873.650752] veth1: entered promiscuous mode
[  873.789910] br0: port 1(veth0) entered blocking state
[  873.789959] br0: port 1(veth0) entered forwarding state
[  873.790002] br0: port 2(veth1) entered blocking state
[  873.790034] br0: port 2(veth1) entered forwarding state
[  875.717890] bond0: (slave veth1): link status definitely up
[  875.717978] bond0: (slave veth1): making interface the new active one
[  875.718041] bond0: active interface up!
[  875.815911] veth1: left allmulticast mode
[  875.815952] veth1: left promiscuous mode
[  875.816036] br0: port 2(veth1) entered disabled state
[  875.816151] veth0: left allmulticast mode
[  875.816180] veth0: left promiscuous mode
[  875.816211] br0: port 1(veth0) entered disabled state
[  875.824596] bond0: (slave veth1): Releasing backup interface
[  875.827016] bond0: (slave veth0): Releasing backup interface
[  875.855931] bond0 (unregistering): Released all slaves