[  837.453218] 8021q: adding VLAN 0 to HW filter on device bond0
[  837.457392] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  837.461232] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  837.464957] br0: port 1(veth0) entered blocking state
[  837.464993] br0: port 1(veth0) entered disabled state
[  837.465026] veth0: entered allmulticast mode
[  837.465083] veth0: entered promiscuous mode
[  837.468988] br0: port 2(veth1) entered blocking state
[  837.469054] br0: port 2(veth1) entered disabled state
[  837.469123] veth1: entered allmulticast mode
[  837.469212] veth1: entered promiscuous mode
[  837.742845] br0: port 1(veth0) entered blocking state
[  837.742944] br0: port 1(veth0) entered forwarding state
[  837.743038] br0: port 2(veth1) entered blocking state
[  837.743109] br0: port 2(veth1) entered forwarding state
[  839.495837] bond0: (slave veth1): link status definitely up
[  839.495948] bond0: (slave veth1): making interface the new active one
[  839.496006] bond0: active interface up!
[  839.533888] veth1: left allmulticast mode
[  839.533936] veth1: left promiscuous mode
[  839.534026] br0: port 2(veth1) entered disabled state
[  839.534157] veth0: left allmulticast mode
[  839.534189] veth0: left promiscuous mode
[  839.534219] br0: port 1(veth0) entered disabled state
[  839.539103] bond0: (slave veth1): Releasing backup interface
[  839.546966] bond0: (slave veth0): Releasing backup interface
[  839.577874] bond0 (unregistering): Released all slaves