[  874.503299] 8021q: adding VLAN 0 to HW filter on device bond0
[  874.507120] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  874.510728] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  874.514311] br0: port 1(veth0) entered blocking state
[  874.514357] br0: port 1(veth0) entered disabled state
[  874.514385] veth0: entered allmulticast mode
[  874.514440] veth0: entered promiscuous mode
[  874.517948] br0: port 2(veth1) entered blocking state
[  874.517979] br0: port 2(veth1) entered disabled state
[  874.518014] veth1: entered allmulticast mode
[  874.518099] veth1: entered promiscuous mode
[  874.535863] br0: port 1(veth0) entered blocking state
[  874.535898] br0: port 1(veth0) entered forwarding state
[  874.535941] br0: port 2(veth1) entered blocking state
[  874.535980] br0: port 2(veth1) entered forwarding state
[  876.542856] bond0: (slave veth1): link status definitely up
[  876.542943] bond0: (slave veth1): making interface the new active one
[  876.542998] bond0: active interface up!
[  876.585199] veth1: left allmulticast mode
[  876.585240] veth1: left promiscuous mode
[  876.585271] br0: port 2(veth1) entered disabled state
[  876.585394] veth0: left allmulticast mode
[  876.585416] veth0: left promiscuous mode
[  876.585443] br0: port 1(veth0) entered disabled state
[  876.592436] bond0: (slave veth1): Releasing backup interface
[  876.595984] bond0: (slave veth0): Releasing backup interface
[  876.626889] bond0 (unregistering): Released all slaves