[  537.213756] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  537.223374] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  537.233906] br0: port 1(veth0) entered blocking state
[  537.233967] br0: port 1(veth0) entered disabled state
[  537.234016] veth0: entered allmulticast mode
[  537.234108] veth0: entered promiscuous mode
[  537.243477] br0: port 2(veth1) entered blocking state
[  537.243532] br0: port 2(veth1) entered disabled state
[  537.243577] veth1: entered allmulticast mode
[  537.243662] veth1: entered promiscuous mode
[  537.315803] br0: port 1(veth0) entered blocking state
[  537.315941] br0: port 1(veth0) entered forwarding state
[  537.316029] br0: port 2(veth1) entered blocking state
[  537.316090] br0: port 2(veth1) entered forwarding state
[  539.258837] bond0: (slave veth1): link status definitely up
[  539.258966] bond0: (slave veth1): making interface the new active one
[  539.259045] bond0: active interface up!
[  539.323435] veth1: left allmulticast mode
[  539.323490] veth1: left promiscuous mode
[  539.323561] br0: port 2(veth1) entered disabled state
[  539.323769] veth0: left allmulticast mode
[  539.323840] veth0: left promiscuous mode
[  539.323882] br0: port 1(veth0) entered disabled state
[  539.342535] bond0: (slave veth1): Releasing backup interface
[  539.347112] bond0: (slave veth0): Releasing backup interface
[  539.388116] bond0 (unregistering): Released all slaves