[  521.961677] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  521.970759] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  521.980246] br0: port 1(veth0) entered blocking state
[  521.980313] br0: port 1(veth0) entered disabled state
[  521.980377] veth0: entered allmulticast mode
[  521.980459] veth0: entered promiscuous mode
[  521.990113] br0: port 2(veth1) entered blocking state
[  521.990180] br0: port 2(veth1) entered disabled state
[  521.990249] veth1: entered allmulticast mode
[  521.990322] veth1: entered promiscuous mode
[  522.287110] br0: port 1(veth0) entered blocking state
[  522.287193] br0: port 1(veth0) entered forwarding state
[  522.287271] br0: port 2(veth1) entered blocking state
[  522.287311] br0: port 2(veth1) entered forwarding state
[  524.030173] bond0: (slave veth1): link status definitely up
[  524.030285] bond0: (slave veth1): making interface the new active one
[  524.030384] bond0: active interface up!
[  524.126517] veth1: left allmulticast mode
[  524.126575] veth1: left promiscuous mode
[  524.126652] br0: port 2(veth1) entered disabled state
[  524.126774] veth0: left allmulticast mode
[  524.126810] veth0: left promiscuous mode
[  524.126867] br0: port 1(veth0) entered disabled state
[  524.156347] bond0: (slave veth1): Releasing backup interface
[  524.162286] bond0: (slave veth0): Releasing backup interface