[  837.938060] 8021q: adding VLAN 0 to HW filter on device bond0
[  837.941784] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  837.945559] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  837.949143] br0: port 1(veth0) entered blocking state
[  837.949216] br0: port 1(veth0) entered disabled state
[  837.949281] veth0: entered allmulticast mode
[  837.949381] veth0: entered promiscuous mode
[  837.953128] br0: port 2(veth1) entered blocking state
[  837.953158] br0: port 2(veth1) entered disabled state
[  837.953199] veth1: entered allmulticast mode
[  837.953254] veth1: entered promiscuous mode
[  838.994226] br0: port 1(veth0) entered blocking state
[  838.994283] br0: port 1(veth0) entered forwarding state
[  838.994333] br0: port 2(veth1) entered blocking state
[  838.994365] br0: port 2(veth1) entered forwarding state
[  840.018211] bond0: (slave veth0): link status definitely up
[  840.018284] bond0: (slave veth1): link status definitely up
[  840.018343] bond0: (slave veth0): making interface the new active one
[  840.018405] bond0: active interface up!
[  840.123884] veth1: left allmulticast mode
[  840.123927] veth1: left promiscuous mode
[  840.123961] br0: port 2(veth1) entered disabled state
[  840.124041] veth0: left allmulticast mode
[  840.124063] veth0: left promiscuous mode
[  840.124091] br0: port 1(veth0) entered disabled state
[  840.128467] bond0: (slave veth1): Releasing backup interface
[  840.133708] bond0: (slave veth0): Releasing backup interface
[  840.154238] bond0 (unregistering): Released all slaves