[  520.769212] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  520.779024] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  520.788682] br0: port 1(veth0) entered blocking state
[  520.788780] br0: port 1(veth0) entered disabled state
[  520.788860] veth0: entered allmulticast mode
[  520.788972] veth0: entered promiscuous mode
[  520.799244] br0: port 2(veth1) entered blocking state
[  520.799311] br0: port 2(veth1) entered disabled state
[  520.799363] veth1: entered allmulticast mode
[  520.799430] veth1: entered promiscuous mode
[  521.262098] br0: port 1(veth0) entered blocking state
[  521.262226] br0: port 1(veth0) entered forwarding state
[  521.262307] br0: port 2(veth1) entered blocking state
[  521.262391] br0: port 2(veth1) entered forwarding state
[  522.815064] bond0: (slave veth1): link status definitely up
[  522.815150] bond0: (slave veth1): making interface the new active one
[  522.815223] bond0: active interface up!
[  522.944528] veth1: left allmulticast mode
[  522.944594] veth1: left promiscuous mode
[  522.944646] br0: port 2(veth1) entered disabled state
[  522.944804] veth0: left allmulticast mode
[  522.944844] veth0: left promiscuous mode
[  522.944881] br0: port 1(veth0) entered disabled state
[  522.970384] bond0: (slave veth1): Releasing backup interface
[  522.980501] bond0: (slave veth0): Releasing backup interface