[  842.167602][ T9398] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  842.259442][ T9399] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  842.368985][ T9400] br0: port 1(veth0) entered blocking state
[  842.369294][ T9400] br0: port 1(veth0) entered disabled state
[  842.369555][ T9400] veth0: entered allmulticast mode
[  842.371352][ T9400] veth0: entered promiscuous mode
[  842.460754][ T9401] br0: port 2(veth1) entered blocking state
[  842.461028][ T9401] br0: port 2(veth1) entered disabled state
[  842.461294][ T9401] veth1: entered allmulticast mode
[  842.462478][ T9401] veth1: entered promiscuous mode
[  842.871706][   T56] br0: port 1(veth0) entered blocking state
[  842.871969][   T56] br0: port 1(veth0) entered forwarding state
[  842.872904][   T56] br0: port 2(veth1) entered blocking state
[  842.873125][   T56] br0: port 2(veth1) entered forwarding state
[  844.094857][ T8748] bond0: (slave veth1): link status definitely up
[  844.095581][ T8748] bond0: (slave veth1): making interface the new active one
[  844.097784][ T8748] bond0: active interface up!
[  844.561137][   T11] veth1: left allmulticast mode
[  844.561470][   T11] veth1: left promiscuous mode
[  844.561913][   T11] br0: port 2(veth1) entered disabled state
[  844.565003][   T11] veth0: left allmulticast mode
[  844.565371][   T11] veth0: left promiscuous mode
[  844.565803][   T11] br0: port 1(veth0) entered disabled state
[  844.724874][   T11] bond0: (slave veth1): Releasing backup interface
[  844.857879][   T11] bond0: (slave veth0): Releasing backup interface
[  845.236204][   T11] bond0 (unregistering): Released all slaves