[  837.274161] 8021q: adding VLAN 0 to HW filter on device bond0
[  837.278097] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  837.281913] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  837.285647] br0: port 1(veth0) entered blocking state
[  837.285668] br0: port 1(veth0) entered disabled state
[  837.285692] veth0: entered allmulticast mode
[  837.285736] veth0: entered promiscuous mode
[  837.289515] br0: port 2(veth1) entered blocking state
[  837.289537] br0: port 2(veth1) entered disabled state
[  837.289562] veth1: entered allmulticast mode
[  837.289610] veth1: entered promiscuous mode
[  838.282422] br0: port 1(veth0) entered blocking state
[  838.282482] br0: port 1(veth0) entered forwarding state
[  838.282524] br0: port 2(veth1) entered blocking state
[  838.282544] br0: port 2(veth1) entered forwarding state
[  839.307415] bond0: (slave veth1): link status definitely up
[  839.307545] bond0: (slave veth1): making interface the new active one
[  839.307592] bond0: active interface up!
[  839.355691] veth1: left allmulticast mode
[  839.355724] veth1: left promiscuous mode
[  839.355747] br0: port 2(veth1) entered disabled state
[  839.355909] veth0: left allmulticast mode
[  839.355931] veth0: left promiscuous mode
[  839.355950] br0: port 1(veth0) entered disabled state
[  839.360584] bond0: (slave veth1): Releasing backup interface
[  839.367571] bond0: (slave veth0): Releasing backup interface
[  839.391437] bond0 (unregistering): Released all slaves