[  868.052742][ T9520] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  868.142298][ T9521] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  868.229342][ T9522] br0: port 1(veth0) entered blocking state
[  868.229659][ T9522] br0: port 1(veth0) entered disabled state
[  868.229940][ T9522] veth0: entered allmulticast mode
[  868.231236][ T9522] veth0: entered promiscuous mode
[  868.317475][ T9523] br0: port 2(veth1) entered blocking state
[  868.317830][ T9523] br0: port 2(veth1) entered disabled state
[  868.318149][ T9523] veth1: entered allmulticast mode
[  868.319540][ T9523] veth1: entered promiscuous mode
[  869.158182][   T37] br0: port 1(veth0) entered blocking state
[  869.158445][   T37] br0: port 1(veth0) entered forwarding state
[  869.159385][   T37] br0: port 2(veth1) entered blocking state
[  869.159588][   T37] br0: port 2(veth1) entered forwarding state
[  871.014251][ T8658] bond0: (slave veth0): link status definitely up
[  871.015081][ T8658] bond0: (slave veth1): link status definitely up
[  871.015375][ T8658] bond0: (slave veth0): making interface the new active one
[  871.017096][ T8658] bond0: active interface up!
[  871.444868][ T8658] veth1: left allmulticast mode
[  871.445082][ T8658] veth1: left promiscuous mode
[  871.445373][ T8658] br0: port 2(veth1) entered disabled state
[  871.446802][ T8658] veth0: left allmulticast mode
[  871.446981][ T8658] veth0: left promiscuous mode
[  871.447253][ T8658] br0: port 1(veth0) entered disabled state
[  871.587711][ T8658] bond0: (slave veth1): Releasing backup interface
[  871.780825][ T8658] bond0: (slave veth0): Releasing backup interface
[  872.165540][ T8658] bond0 (unregistering): Released all slaves