[  871.072815][ T9559] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  871.163332][ T9560] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  871.245203][ T9561] br0: port 1(veth0) entered blocking state
[  871.245500][ T9561] br0: port 1(veth0) entered disabled state
[  871.245772][ T9561] veth0: entered allmulticast mode
[  871.247040][ T9561] veth0: entered promiscuous mode
[  871.336551][ T9562] br0: port 2(veth1) entered blocking state
[  871.336852][ T9562] br0: port 2(veth1) entered disabled state
[  871.337108][ T9562] veth1: entered allmulticast mode
[  871.338383][ T9562] veth1: entered promiscuous mode
[  871.805745][   T37] br0: port 1(veth0) entered blocking state
[  871.805996][   T37] br0: port 1(veth0) entered forwarding state
[  871.806983][   T37] br0: port 2(veth1) entered blocking state
[  871.807206][   T37] br0: port 2(veth1) entered forwarding state
[  873.014627][ T5356] bond0: (slave veth1): link status definitely up
[  873.015030][ T5356] bond0: (slave veth1): making interface the new active one
[  873.023364][ T5356] bond0: active interface up!
[  873.397644][ T8761] veth1: left allmulticast mode
[  873.397868][ T8761] veth1: left promiscuous mode
[  873.398191][ T8761] br0: port 2(veth1) entered disabled state
[  873.400313][ T8761] veth0: left allmulticast mode
[  873.400488][ T8761] veth0: left promiscuous mode
[  873.400760][ T8761] br0: port 1(veth0) entered disabled state
[  873.552870][ T8761] bond0: (slave veth1): Releasing backup interface
[  873.761802][ T8761] bond0: (slave veth0): Releasing backup interface
[  874.139349][ T8761] bond0 (unregistering): Released all slaves