[  846.251060][ T9803] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  846.347813][ T9804] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  846.449117][ T9805] br0: port 1(veth0) entered blocking state
[  846.449379][ T9805] br0: port 1(veth0) entered disabled state
[  846.449652][ T9805] veth0: entered allmulticast mode
[  846.450864][ T9805] veth0: entered promiscuous mode
[  846.540093][ T9806] br0: port 2(veth1) entered blocking state
[  846.540415][ T9806] br0: port 2(veth1) entered disabled state
[  846.540734][ T9806] veth1: entered allmulticast mode
[  846.542042][ T9806] veth1: entered promiscuous mode
[  847.073930][   T56] br0: port 1(veth0) entered blocking state
[  847.074376][   T56] br0: port 1(veth0) entered forwarding state
[  847.075833][   T56] br0: port 2(veth1) entered blocking state
[  847.076194][   T56] br0: port 2(veth1) entered forwarding state
[  848.196445][ T5011] bond0: (slave veth1): link status definitely up
[  848.196842][ T5011] bond0: (slave veth1): making interface the new active one
[  848.197914][ T5011] bond0: active interface up!
[  848.688583][ T5011] veth1: left allmulticast mode
[  848.688784][ T5011] veth1: left promiscuous mode
[  848.689091][ T5011] br0: port 2(veth1) entered disabled state
[  848.691345][ T5011] veth0: left allmulticast mode
[  848.691543][ T5011] veth0: left promiscuous mode
[  848.691810][ T5011] br0: port 1(veth0) entered disabled state
[  848.858809][ T5011] bond0: (slave veth1): Releasing backup interface
[  849.007537][ T5011] bond0: (slave veth0): Releasing backup interface
[  849.386148][ T5011] bond0 (unregistering): Released all slaves