[  838.223169] 8021q: adding VLAN 0 to HW filter on device bond0
[  838.227227] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  838.231091] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  838.234987] br0: port 1(veth0) entered blocking state
[  838.235023] br0: port 1(veth0) entered disabled state
[  838.235060] veth0: entered allmulticast mode
[  838.235121] veth0: entered promiscuous mode
[  838.239293] br0: port 2(veth1) entered blocking state
[  838.239329] br0: port 2(veth1) entered disabled state
[  838.239366] veth1: entered allmulticast mode
[  838.239423] veth1: entered promiscuous mode
[  838.508319] br0: port 1(veth0) entered blocking state
[  838.508375] br0: port 1(veth0) entered forwarding state
[  838.508427] br0: port 2(veth1) entered blocking state
[  838.508459] br0: port 2(veth1) entered forwarding state
[  840.268303] bond0: (slave veth1): link status definitely up
[  840.268408] bond0: (slave veth1): making interface the new active one
[  840.268475] bond0: active interface up!
[  840.322519] veth1: left allmulticast mode
[  840.322562] veth1: left promiscuous mode
[  840.322624] br0: port 2(veth1) entered disabled state
[  840.322759] veth0: left allmulticast mode
[  840.322794] veth0: left promiscuous mode
[  840.322829] br0: port 1(veth0) entered disabled state
[  840.327556] bond0: (slave veth1): Releasing backup interface
[  840.333637] bond0: (slave veth0): Releasing backup interface
[  840.358343] bond0 (unregistering): Released all slaves