[  837.291385] 8021q: adding VLAN 0 to HW filter on device bond0
[  837.295146] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  837.298835] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  837.302447] br0: port 1(veth0) entered blocking state
[  837.302467] br0: port 1(veth0) entered disabled state
[  837.302486] veth0: entered allmulticast mode
[  837.302526] veth0: entered promiscuous mode
[  837.306140] br0: port 2(veth1) entered blocking state
[  837.306186] br0: port 2(veth1) entered disabled state
[  837.306238] veth1: entered allmulticast mode
[  837.306310] veth1: entered promiscuous mode
[  837.483373] br0: port 1(veth0) entered blocking state
[  837.483405] br0: port 1(veth0) entered forwarding state
[  837.483495] br0: port 2(veth1) entered blocking state
[  837.483544] br0: port 2(veth1) entered forwarding state
[  839.371377] bond0: (slave veth1): link status definitely up
[  839.371464] bond0: (slave veth1): making interface the new active one
[  839.371504] bond0: active interface up!
[  839.475475] veth1: left allmulticast mode
[  839.475498] veth1: left promiscuous mode
[  839.475518] br0: port 2(veth1) entered disabled state
[  839.475584] veth0: left allmulticast mode
[  839.475597] veth0: left promiscuous mode
[  839.475612] br0: port 1(veth0) entered disabled state
[  839.480532] bond0: (slave veth1): Releasing backup interface
[  839.487498] bond0: (slave veth0): Releasing backup interface
[  839.512409] bond0 (unregistering): Released all slaves