[  520.418880] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  520.433406] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  520.449308] br0: port 1(veth0) entered blocking state
[  520.449389] br0: port 1(veth0) entered disabled state
[  520.449456] veth0: entered allmulticast mode
[  520.449559] veth0: entered promiscuous mode
[  520.463564] br0: port 2(veth1) entered blocking state
[  520.463621] br0: port 2(veth1) entered disabled state
[  520.463662] veth1: entered allmulticast mode
[  520.463737] veth1: entered promiscuous mode
[  520.685823] br0: port 1(veth0) entered blocking state
[  520.685948] br0: port 1(veth0) entered forwarding state
[  520.686027] br0: port 2(veth1) entered blocking state
[  520.686077] br0: port 2(veth1) entered forwarding state
[  522.429799] bond0: (slave veth1): link status definitely up
[  522.429891] bond0: (slave veth1): making interface the new active one
[  522.429958] bond0: active interface up!
[  522.561475] veth1: left allmulticast mode
[  522.561544] veth1: left promiscuous mode
[  522.561604] br0: port 2(veth1) entered disabled state
[  522.561765] veth0: left allmulticast mode
[  522.561804] veth0: left promiscuous mode
[  522.561850] br0: port 1(veth0) entered disabled state
[  522.584186] bond0: (slave veth1): Releasing backup interface
[  522.590021] bond0: (slave veth0): Releasing backup interface