[  845.245676][ T9427] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  845.353824][ T9428] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  845.457454][ T9429] br0: port 1(veth0) entered blocking state
[  845.457773][ T9429] br0: port 1(veth0) entered disabled state
[  845.458060][ T9429] veth0: entered allmulticast mode
[  845.459256][ T9429] veth0: entered promiscuous mode
[  845.557141][ T9430] br0: port 2(veth1) entered blocking state
[  845.557474][ T9430] br0: port 2(veth1) entered disabled state
[  845.557729][ T9430] veth1: entered allmulticast mode
[  845.558956][ T9430] veth1: entered promiscuous mode
[  845.989003][ T5443] br0: port 1(veth0) entered blocking state
[  845.989314][ T5443] br0: port 1(veth0) entered forwarding state
[  845.990363][ T5443] br0: port 2(veth1) entered blocking state
[  845.990661][ T5443] br0: port 2(veth1) entered forwarding state
[  847.246924][ T4305] bond0: (slave veth1): link status definitely up
[  847.247289][ T4305] bond0: (slave veth1): making interface the new active one
[  847.248389][ T4305] bond0: active interface up!
[  847.657231][ T4305] veth1: left allmulticast mode
[  847.657468][ T4305] veth1: left promiscuous mode
[  847.657756][ T4305] br0: port 2(veth1) entered disabled state
[  847.659570][ T4305] veth0: left allmulticast mode
[  847.659755][ T4305] veth0: left promiscuous mode
[  847.660071][ T4305] br0: port 1(veth0) entered disabled state
[  847.833600][ T4305] bond0: (slave veth1): Releasing backup interface
[  847.993889][ T4305] bond0: (slave veth0): Releasing backup interface
[  848.348651][ T4305] bond0 (unregistering): Released all slaves