[  872.895373] 8021q: adding VLAN 0 to HW filter on device bond0
[  872.899153] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  872.902932] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  872.906511] br0: port 1(veth0) entered blocking state
[  872.906545] br0: port 1(veth0) entered disabled state
[  872.906584] veth0: entered allmulticast mode
[  872.906647] veth0: entered promiscuous mode
[  872.910429] br0: port 2(veth1) entered blocking state
[  872.910499] br0: port 2(veth1) entered disabled state
[  872.910573] veth1: entered allmulticast mode
[  872.910673] veth1: entered promiscuous mode
[  873.028311] br0: port 1(veth0) entered blocking state
[  873.028417] br0: port 1(veth0) entered forwarding state
[  873.028512] br0: port 2(veth1) entered blocking state
[  873.028582] br0: port 2(veth1) entered forwarding state
[  874.956329] bond0: (slave veth1): link status definitely up
[  874.956433] bond0: (slave veth1): making interface the new active one
[  874.956495] bond0: active interface up!
[  874.993825] veth1: left allmulticast mode
[  874.993864] veth1: left promiscuous mode
[  874.993895] br0: port 2(veth1) entered disabled state
[  874.993972] veth0: left allmulticast mode
[  874.993994] veth0: left promiscuous mode
[  874.994018] br0: port 1(veth0) entered disabled state
[  875.002653] bond0: (slave veth1): Releasing backup interface
[  875.010420] bond0: (slave veth0): Releasing backup interface
[  875.042370] bond0 (unregistering): Released all slaves