[  850.031492][ T9696] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  850.107993][ T9697] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  850.201913][ T9698] br0: port 1(veth0) entered blocking state
[  850.202176][ T9698] br0: port 1(veth0) entered disabled state
[  850.202432][ T9698] veth0: entered allmulticast mode
[  850.203572][ T9698] veth0: entered promiscuous mode
[  850.290661][ T9699] br0: port 2(veth1) entered blocking state
[  850.290978][ T9699] br0: port 2(veth1) entered disabled state
[  850.291208][ T9699] veth1: entered allmulticast mode
[  850.293116][ T9699] veth1: entered promiscuous mode
[  850.770002][   T45] br0: port 1(veth0) entered blocking state
[  850.770432][   T45] br0: port 1(veth0) entered forwarding state
[  850.771633][   T45] br0: port 2(veth1) entered blocking state
[  850.771913][   T45] br0: port 2(veth1) entered forwarding state
[  851.969901][ T5163] bond0: (slave veth1): link status definitely up
[  851.970505][ T5163] bond0: (slave veth1): making interface the new active one
[  851.971972][ T5163] bond0: active interface up!
[  852.387506][ T5163] veth1: left allmulticast mode
[  852.387731][ T5163] veth1: left promiscuous mode
[  852.388048][ T5163] br0: port 2(veth1) entered disabled state
[  852.390070][ T5163] veth0: left allmulticast mode
[  852.390479][ T5163] veth0: left promiscuous mode
[  852.390886][ T5163] br0: port 1(veth0) entered disabled state
[  852.583126][ T5163] bond0: (slave veth1): Releasing backup interface
[  852.721650][ T5163] bond0: (slave veth0): Releasing backup interface
[  853.072266][ T5163] bond0 (unregistering): Released all slaves