[  523.819952] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  523.835840] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  523.852052] br0: port 1(veth0) entered blocking state
[  523.852106] br0: port 1(veth0) entered disabled state
[  523.852146] veth0: entered allmulticast mode
[  523.852217] veth0: entered promiscuous mode
[  523.868320] br0: port 2(veth1) entered blocking state
[  523.868372] br0: port 2(veth1) entered disabled state
[  523.868407] veth1: entered allmulticast mode
[  523.868468] veth1: entered promiscuous mode
[  524.795781] br0: port 1(veth0) entered blocking state
[  524.795881] br0: port 1(veth0) entered forwarding state
[  524.795963] br0: port 2(veth1) entered blocking state
[  524.796019] br0: port 2(veth1) entered forwarding state
[  525.883775] bond0: (slave veth1): link status definitely up
[  525.883831] bond0: (slave veth1): making interface the new active one
[  525.883889] bond0: active interface up!
[  526.022261] veth1: left allmulticast mode
[  526.022310] veth1: left promiscuous mode
[  526.022353] br0: port 2(veth1) entered disabled state
[  526.022468] veth0: left allmulticast mode
[  526.022500] veth0: left promiscuous mode
[  526.022534] br0: port 1(veth0) entered disabled state
[  526.048123] bond0: (slave veth1): Releasing backup interface
[  526.065051] bond0: (slave veth0): Releasing backup interface