[  840.431903] 8021q: adding VLAN 0 to HW filter on device bond0
[  840.436067] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  840.440083] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  840.444127] br0: port 1(veth0) entered blocking state
[  840.444197] br0: port 1(veth0) entered disabled state
[  840.444264] veth0: entered allmulticast mode
[  840.444368] veth0: entered promiscuous mode
[  840.448448] br0: port 2(veth1) entered blocking state
[  840.448521] br0: port 2(veth1) entered disabled state
[  840.448588] veth1: entered allmulticast mode
[  840.448679] veth1: entered promiscuous mode
[  840.491365] br0: port 1(veth0) entered blocking state
[  840.491441] br0: port 1(veth0) entered forwarding state
[  840.491527] br0: port 2(veth1) entered blocking state
[  840.491590] br0: port 2(veth1) entered forwarding state
[  842.505367] bond0: (slave veth1): link status definitely up
[  842.505479] bond0: (slave veth1): making interface the new active one
[  842.505541] bond0: active interface up!
[  842.528264] veth1: left allmulticast mode
[  842.528299] veth1: left promiscuous mode
[  842.528415] br0: port 2(veth1) entered disabled state
[  842.528493] veth0: left allmulticast mode
[  842.528518] veth0: left promiscuous mode
[  842.528549] br0: port 1(veth0) entered disabled state
[  842.534577] bond0: (slave veth1): Releasing backup interface
[  842.538213] bond0: (slave veth0): Releasing backup interface
[  842.578389] bond0 (unregistering): Released all slaves