[  837.967564] 8021q: adding VLAN 0 to HW filter on device bond0
[  837.971361] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  837.975122] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  837.978797] br0: port 1(veth0) entered blocking state
[  837.978836] br0: port 1(veth0) entered disabled state
[  837.978873] veth0: entered allmulticast mode
[  837.978932] veth0: entered promiscuous mode
[  837.982622] br0: port 2(veth1) entered blocking state
[  837.982687] br0: port 2(veth1) entered disabled state
[  837.982753] veth1: entered allmulticast mode
[  837.982841] veth1: entered promiscuous mode
[  838.980028] br0: port 1(veth0) entered blocking state
[  838.980117] br0: port 1(veth0) entered forwarding state
[  838.980205] br0: port 2(veth1) entered blocking state
[  838.980268] br0: port 2(veth1) entered forwarding state
[  840.004012] bond0: (slave veth0): link status definitely up
[  840.004072] bond0: (slave veth1): link status definitely up
[  840.004154] bond0: (slave veth0): making interface the new active one
[  840.004221] bond0: active interface up!
[  840.049985] veth1: left allmulticast mode
[  840.050025] veth1: left promiscuous mode
[  840.050060] br0: port 2(veth1) entered disabled state
[  840.050149] veth0: left allmulticast mode
[  840.050169] veth0: left promiscuous mode
[  840.050193] br0: port 1(veth0) entered disabled state
[  840.054164] bond0: (slave veth1): Releasing backup interface
[  840.059325] bond0: (slave veth0): Releasing backup interface
[  840.086039] bond0 (unregistering): Released all slaves