[  831.511536] 8021q: adding VLAN 0 to HW filter on device bond0
[  831.514706] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  831.517837] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  831.521062] br0: port 1(veth0) entered blocking state
[  831.521094] br0: port 1(veth0) entered disabled state
[  831.521131] veth0: entered allmulticast mode
[  831.521192] veth0: entered promiscuous mode
[  831.524387] br0: port 2(veth1) entered blocking state
[  831.524455] br0: port 2(veth1) entered disabled state
[  831.524520] veth1: entered allmulticast mode
[  831.524613] veth1: entered promiscuous mode
[  831.651635] br0: port 1(veth0) entered blocking state
[  831.651680] br0: port 1(veth0) entered forwarding state
[  831.651723] br0: port 2(veth1) entered blocking state
[  831.651753] br0: port 2(veth1) entered forwarding state
[  833.539657] bond0: (slave veth1): link status definitely up
[  833.539749] bond0: (slave veth1): making interface the new active one
[  833.539810] bond0: active interface up!
[  833.569591] veth1: left allmulticast mode
[  833.569640] veth1: left promiscuous mode
[  833.569713] br0: port 2(veth1) entered disabled state
[  833.569879] veth0: left allmulticast mode
[  833.569911] veth0: left promiscuous mode
[  833.569951] br0: port 1(veth0) entered disabled state
[  833.586880] bond0: (slave veth1): Releasing backup interface
[  833.595880] bond0: (slave veth0): Releasing backup interface
[  833.625829] bond0 (unregistering): Released all slaves