[  831.166570][ T9371] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  831.248586][ T9372] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  831.329322][ T9373] br0: port 1(veth0) entered blocking state
[  831.330337][ T9373] br0: port 1(veth0) entered disabled state
[  831.330693][ T9373] veth0: entered allmulticast mode
[  831.331962][ T9373] veth0: entered promiscuous mode
[  831.421183][ T9374] br0: port 2(veth1) entered blocking state
[  831.421434][ T9374] br0: port 2(veth1) entered disabled state
[  831.421713][ T9374] veth1: entered allmulticast mode
[  831.422900][ T9374] veth1: entered promiscuous mode
[  831.940314][   T39] br0: port 1(veth0) entered blocking state
[  831.940646][   T39] br0: port 1(veth0) entered forwarding state
[  831.941695][   T39] br0: port 2(veth1) entered blocking state
[  831.941929][   T39] br0: port 2(veth1) entered forwarding state
[  833.132185][ T4559] bond0: (slave veth1): link status definitely up
[  833.132802][ T4559] bond0: (slave veth1): making interface the new active one
[  833.134142][ T4559] bond0: active interface up!
[  833.431359][ T8567] veth1: left allmulticast mode
[  833.432067][ T8567] veth1: left promiscuous mode
[  833.432378][ T8567] br0: port 2(veth1) entered disabled state
[  833.434282][ T8567] veth0: left allmulticast mode
[  833.434448][ T8567] veth0: left promiscuous mode
[  833.434737][ T8567] br0: port 1(veth0) entered disabled state
[  833.574358][ T8567] bond0: (slave veth1): Releasing backup interface
[  833.673279][ T8567] bond0: (slave veth0): Releasing backup interface
[  834.034155][ T8567] bond0 (unregistering): Released all slaves