[  877.067529] 8021q: adding VLAN 0 to HW filter on device bond0
[  877.071046] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  877.074566] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  877.078030] br0: port 1(veth0) entered blocking state
[  877.078063] br0: port 1(veth0) entered disabled state
[  877.078098] veth0: entered allmulticast mode
[  877.078179] veth0: entered promiscuous mode
[  877.081538] br0: port 2(veth1) entered blocking state
[  877.081570] br0: port 2(veth1) entered disabled state
[  877.081606] veth1: entered allmulticast mode
[  877.081662] veth1: entered promiscuous mode
[  878.081182] br0: port 1(veth0) entered blocking state
[  878.081239] br0: port 1(veth0) entered forwarding state
[  878.081287] br0: port 2(veth1) entered blocking state
[  878.081320] br0: port 2(veth1) entered forwarding state
[  879.105156] bond0: (slave veth1): link status definitely up
[  879.105241] bond0: (slave veth1): making interface the new active one
[  879.105304] bond0: active interface up!
[  879.148335] veth1: left allmulticast mode
[  879.148368] veth1: left promiscuous mode
[  879.148400] br0: port 2(veth1) entered disabled state
[  879.148501] veth0: left allmulticast mode
[  879.148521] veth0: left promiscuous mode
[  879.148550] br0: port 1(veth0) entered disabled state
[  879.155343] bond0: (slave veth1): Releasing backup interface
[  879.163287] bond0: (slave veth0): Releasing backup interface
[  879.190178] bond0 (unregistering): Released all slaves