[  836.985197] 8021q: adding VLAN 0 to HW filter on device bond0
[  836.989148] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  836.992991] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  836.996833] br0: port 1(veth0) entered blocking state
[  836.996865] br0: port 1(veth0) entered disabled state
[  836.996900] veth0: entered allmulticast mode
[  836.996960] veth0: entered promiscuous mode
[  837.000797] br0: port 2(veth1) entered blocking state
[  837.000864] br0: port 2(veth1) entered disabled state
[  837.000932] veth1: entered allmulticast mode
[  837.001020] veth1: entered promiscuous mode
[  837.159708] br0: port 1(veth0) entered blocking state
[  837.159759] br0: port 1(veth0) entered forwarding state
[  837.159799] br0: port 2(veth1) entered blocking state
[  837.159830] br0: port 2(veth1) entered forwarding state
[  839.046713] bond0: (slave veth1): link status definitely up
[  839.046812] bond0: (slave veth1): making interface the new active one
[  839.046873] bond0: active interface up!
[  839.064125] veth1: left allmulticast mode
[  839.064153] veth1: left promiscuous mode
[  839.064187] br0: port 2(veth1) entered disabled state
[  839.064292] veth0: left allmulticast mode
[  839.064312] veth0: left promiscuous mode
[  839.064334] br0: port 1(veth0) entered disabled state
[  839.071761] bond0: (slave veth1): Releasing backup interface
[  839.074839] bond0: (slave veth0): Releasing backup interface
[  839.108744] bond0 (unregistering): Released all slaves