[  859.860893][ T9747] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  859.948498][ T9748] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  860.047363][ T9749] br0: port 1(veth0) entered blocking state
[  860.047639][ T9749] br0: port 1(veth0) entered disabled state
[  860.047898][ T9749] veth0: entered allmulticast mode
[  860.049123][ T9749] veth0: entered promiscuous mode
[  860.128312][ T9750] br0: port 2(veth1) entered blocking state
[  860.128601][ T9750] br0: port 2(veth1) entered disabled state
[  860.128854][ T9750] veth1: entered allmulticast mode
[  860.130082][ T9750] veth1: entered promiscuous mode
[  860.622601][   T40] br0: port 1(veth0) entered blocking state
[  860.622968][   T40] br0: port 1(veth0) entered forwarding state
[  860.624010][   T40] br0: port 2(veth1) entered blocking state
[  860.624262][   T40] br0: port 2(veth1) entered forwarding state
[  861.822576][ T9121] bond0: (slave veth1): link status definitely up
[  861.823133][ T9121] bond0: (slave veth1): making interface the new active one
[  861.824323][ T9121] bond0: active interface up!
[  862.139546][ T9121] veth1: left allmulticast mode
[  862.139788][ T9121] veth1: left promiscuous mode
[  862.140302][ T9121] br0: port 2(veth1) entered disabled state
[  862.142840][ T9121] veth0: left allmulticast mode
[  862.143105][ T9121] veth0: left promiscuous mode
[  862.143442][ T9121] br0: port 1(veth0) entered disabled state
[  862.303638][ T9121] bond0: (slave veth1): Releasing backup interface
[  862.512918][ T9121] bond0: (slave veth0): Releasing backup interface
[  862.894340][ T9121] bond0 (unregistering): Released all slaves