[  840.988043] 8021q: adding VLAN 0 to HW filter on device bond0
[  840.992189] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  840.996359] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  841.000389] br0: port 1(veth0) entered blocking state
[  841.000447] br0: port 1(veth0) entered disabled state
[  841.000507] veth0: entered allmulticast mode
[  841.000592] veth0: entered promiscuous mode
[  841.004820] br0: port 2(veth1) entered blocking state
[  841.004847] br0: port 2(veth1) entered disabled state
[  841.004872] veth1: entered allmulticast mode
[  841.004918] veth1: entered promiscuous mode
[  841.986313] br0: port 1(veth0) entered blocking state
[  841.986354] br0: port 1(veth0) entered forwarding state
[  841.986398] br0: port 2(veth1) entered blocking state
[  841.986421] br0: port 2(veth1) entered forwarding state
[  843.075291] bond0: (slave veth1): link status definitely up
[  843.075373] bond0: (slave veth1): making interface the new active one
[  843.075426] bond0: active interface up!
[  843.180751] veth1: left allmulticast mode
[  843.180784] veth1: left promiscuous mode
[  843.180811] br0: port 2(veth1) entered disabled state
[  843.180942] veth0: left allmulticast mode
[  843.180966] veth0: left promiscuous mode
[  843.180997] br0: port 1(veth0) entered disabled state
[  843.185512] bond0: (slave veth1): Releasing backup interface
[  843.190476] bond0: (slave veth0): Releasing backup interface
[  843.217332] bond0 (unregistering): Released all slaves