[  838.747966] 8021q: adding VLAN 0 to HW filter on device bond0
[  838.751753] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  838.755597] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  838.759542] br0: port 1(veth0) entered blocking state
[  838.759613] br0: port 1(veth0) entered disabled state
[  838.759655] veth0: entered allmulticast mode
[  838.759713] veth0: entered promiscuous mode
[  838.763602] br0: port 2(veth1) entered blocking state
[  838.763692] br0: port 2(veth1) entered disabled state
[  838.763759] veth1: entered allmulticast mode
[  838.763854] veth1: entered promiscuous mode
[  839.744052] br0: port 1(veth0) entered blocking state
[  839.744102] br0: port 1(veth0) entered forwarding state
[  839.744148] br0: port 2(veth1) entered blocking state
[  839.744176] br0: port 2(veth1) entered forwarding state
[  840.831041] bond0: (slave veth1): link status definitely up
[  840.831124] bond0: (slave veth1): making interface the new active one
[  840.831180] bond0: active interface up!
[  840.932233] veth1: left allmulticast mode
[  840.932271] veth1: left promiscuous mode
[  840.932356] br0: port 2(veth1) entered disabled state
[  840.932493] veth0: left allmulticast mode
[  840.932525] veth0: left promiscuous mode
[  840.932552] br0: port 1(veth0) entered disabled state
[  840.937223] bond0: (slave veth1): Releasing backup interface
[  840.941282] bond0: (slave veth0): Releasing backup interface
[  840.977070] bond0 (unregistering): Released all slaves