[  846.207335][ T9499] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  846.296637][ T9500] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  846.380850][ T9501] br0: port 1(veth0) entered blocking state
[  846.381260][ T9501] br0: port 1(veth0) entered disabled state
[  846.381685][ T9501] veth0: entered allmulticast mode
[  846.383473][ T9501] veth0: entered promiscuous mode
[  846.468623][ T9502] br0: port 2(veth1) entered blocking state
[  846.468955][ T9502] br0: port 2(veth1) entered disabled state
[  846.469226][ T9502] veth1: entered allmulticast mode
[  846.470456][ T9502] veth1: entered promiscuous mode
[  846.966654][ T8437] br0: port 1(veth0) entered blocking state
[  846.967094][ T8437] br0: port 1(veth0) entered forwarding state
[  846.968663][ T8437] br0: port 2(veth1) entered blocking state
[  846.969018][ T8437] br0: port 2(veth1) entered forwarding state
[  848.190251][  T258] bond0: (slave veth1): link status definitely up
[  848.190786][  T258] bond0: (slave veth1): making interface the new active one
[  848.192307][  T258] bond0: active interface up!
[  848.558597][ T8464] veth1: left allmulticast mode
[  848.558813][ T8464] veth1: left promiscuous mode
[  848.559119][ T8464] br0: port 2(veth1) entered disabled state
[  848.561145][ T8464] veth0: left allmulticast mode
[  848.561395][ T8464] veth0: left promiscuous mode
[  848.561972][ T8464] br0: port 1(veth0) entered disabled state
[  848.729246][ T8464] bond0: (slave veth1): Releasing backup interface
[  848.921094][ T8464] bond0: (slave veth0): Releasing backup interface
[  849.274684][ T8464] bond0 (unregistering): Released all slaves