[  858.465558][ T9448] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  858.567153][ T9449] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  858.667367][ T9450] br0: port 1(veth0) entered blocking state
[  858.667747][ T9450] br0: port 1(veth0) entered disabled state
[  858.667998][ T9450] veth0: entered allmulticast mode
[  858.669516][ T9450] veth0: entered promiscuous mode
[  858.765690][ T9451] br0: port 2(veth1) entered blocking state
[  858.765964][ T9451] br0: port 2(veth1) entered disabled state
[  858.766464][ T9451] veth1: entered allmulticast mode
[  858.767677][ T9451] veth1: entered promiscuous mode
[  859.169718][   T38] br0: port 1(veth0) entered blocking state
[  859.169979][   T38] br0: port 1(veth0) entered forwarding state
[  859.171207][   T38] br0: port 2(veth1) entered blocking state
[  859.171473][   T38] br0: port 2(veth1) entered forwarding state
[  860.417707][ T8953] bond0: (slave veth1): link status definitely up
[  860.418370][ T8953] bond0: (slave veth1): making interface the new active one
[  860.420424][ T8953] bond0: active interface up!
[  860.909961][ T8953] veth1: left allmulticast mode
[  860.910363][ T8953] veth1: left promiscuous mode
[  860.910812][ T8953] br0: port 2(veth1) entered disabled state
[  860.913560][ T8953] veth0: left allmulticast mode
[  860.913804][ T8953] veth0: left promiscuous mode
[  860.914103][ T8953] br0: port 1(veth0) entered disabled state
[  861.079914][ T8953] bond0: (slave veth1): Releasing backup interface
[  861.207687][ T8953] bond0: (slave veth0): Releasing backup interface
[  861.562184][ T8953] bond0 (unregistering): Released all slaves