[  848.021726][ T9538] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  848.107029][ T9539] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  848.190509][ T9540] br0: port 1(veth0) entered blocking state
[  848.190771][ T9540] br0: port 1(veth0) entered disabled state
[  848.191027][ T9540] veth0: entered allmulticast mode
[  848.192231][ T9540] veth0: entered promiscuous mode
[  848.287126][ T9541] br0: port 2(veth1) entered blocking state
[  848.287456][ T9541] br0: port 2(veth1) entered disabled state
[  848.287686][ T9541] veth1: entered allmulticast mode
[  848.288868][ T9541] veth1: entered promiscuous mode
[  848.757551][ T8683] br0: port 1(veth0) entered blocking state
[  848.757927][ T8683] br0: port 1(veth0) entered forwarding state
[  848.758879][ T8683] br0: port 2(veth1) entered blocking state
[  848.759092][ T8683] br0: port 2(veth1) entered forwarding state
[  850.014331][ T8876] bond0: (slave veth1): link status definitely up
[  850.014731][ T8876] bond0: (slave veth1): making interface the new active one
[  850.016114][ T8876] bond0: active interface up!
[  850.427341][ T5401] veth1: left allmulticast mode
[  850.427570][ T5401] veth1: left promiscuous mode
[  850.427949][ T5401] br0: port 2(veth1) entered disabled state
[  850.430849][ T5401] veth0: left allmulticast mode
[  850.431120][ T5401] veth0: left promiscuous mode
[  850.431439][ T5401] br0: port 1(veth0) entered disabled state
[  850.600893][ T5401] bond0: (slave veth1): Releasing backup interface
[  850.794710][ T5401] bond0: (slave veth0): Releasing backup interface
[  851.166156][ T5401] bond0 (unregistering): Released all slaves