[  843.744529][ T9284] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  843.846667][ T9285] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  843.928127][ T9286] br0: port 1(veth0) entered blocking state
[  843.928405][ T9286] br0: port 1(veth0) entered disabled state
[  843.928664][ T9286] veth0: entered allmulticast mode
[  843.929917][ T9286] veth0: entered promiscuous mode
[  844.033113][ T9287] br0: port 2(veth1) entered blocking state
[  844.033438][ T9287] br0: port 2(veth1) entered disabled state
[  844.033723][ T9287] veth1: entered allmulticast mode
[  844.035542][ T9287] veth1: entered promiscuous mode
[  844.470809][   T38] br0: port 1(veth0) entered blocking state
[  844.471045][   T38] br0: port 1(veth0) entered forwarding state
[  844.472062][   T38] br0: port 2(veth1) entered blocking state
[  844.472384][   T38] br0: port 2(veth1) entered forwarding state
[  845.702833][ T4247] bond0: (slave veth1): link status definitely up
[  845.703471][ T4247] bond0: (slave veth1): making interface the new active one
[  845.705018][ T4247] bond0: active interface up!
[  846.133280][ T4247] veth1: left allmulticast mode
[  846.133590][ T4247] veth1: left promiscuous mode
[  846.134041][ T4247] br0: port 2(veth1) entered disabled state
[  846.137284][ T4247] veth0: left allmulticast mode
[  846.137570][ T4247] veth0: left promiscuous mode
[  846.137989][ T4247] br0: port 1(veth0) entered disabled state
[  846.306837][ T4247] bond0: (slave veth1): Releasing backup interface
[  846.489865][ T4247] bond0: (slave veth0): Releasing backup interface
[  846.853165][ T4247] bond0 (unregistering): Released all slaves