[  873.971386] 8021q: adding VLAN 0 to HW filter on device bond0
[  873.975342] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  873.978982] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  873.982603] br0: port 1(veth0) entered blocking state
[  873.982636] br0: port 1(veth0) entered disabled state
[  873.982670] veth0: entered allmulticast mode
[  873.982745] veth0: entered promiscuous mode
[  873.986375] br0: port 2(veth1) entered blocking state
[  873.986408] br0: port 2(veth1) entered disabled state
[  873.986441] veth1: entered allmulticast mode
[  873.986497] veth1: entered promiscuous mode
[  875.019148] br0: port 1(veth0) entered blocking state
[  875.019212] br0: port 1(veth0) entered forwarding state
[  875.019260] br0: port 2(veth1) entered blocking state
[  875.019291] br0: port 2(veth1) entered forwarding state
[  876.043117] bond0: (slave veth1): link status definitely up
[  876.043250] bond0: (slave veth1): making interface the new active one
[  876.043347] bond0: active interface up!
[  876.057932] veth1: left allmulticast mode
[  876.057996] veth1: left promiscuous mode
[  876.058061] br0: port 2(veth1) entered disabled state
[  876.058265] veth0: left allmulticast mode
[  876.058322] veth0: left promiscuous mode
[  876.058385] br0: port 1(veth0) entered disabled state
[  876.064315] bond0: (slave veth1): Releasing backup interface
[  876.067715] bond0: (slave veth0): Releasing backup interface
[  876.109152] bond0 (unregistering): Released all slaves