[  723.992523] 8021q: adding VLAN 0 to HW filter on device bond0
[  724.003546] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  724.014791] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  724.025841] br0: port 1(veth0) entered blocking state
[  724.025943] br0: port 1(veth0) entered disabled state
[  724.026033] veth0: entered allmulticast mode
[  724.026148] veth0: entered promiscuous mode
[  724.036978] br0: port 2(veth1) entered blocking state
[  724.037056] br0: port 2(veth1) entered disabled state
[  724.037112] veth1: entered allmulticast mode
[  724.037209] veth1: entered promiscuous mode
[  725.025123] br0: port 1(veth0) entered blocking state
[  725.025268] br0: port 1(veth0) entered forwarding state
[  725.025365] br0: port 2(veth1) entered blocking state
[  725.025418] br0: port 2(veth1) entered forwarding state
[  726.048110] bond0: (slave veth1): link status definitely up
[  726.048225] bond0: (slave veth1): making interface the new active one
[  726.048321] bond0: active interface up!
[  726.188999] veth1: left allmulticast mode
[  726.189084] veth1: left promiscuous mode
[  726.189169] br0: port 2(veth1) entered disabled state
[  726.189330] veth0: left allmulticast mode
[  726.189375] veth0: left promiscuous mode
[  726.189429] br0: port 1(veth0) entered disabled state
[  726.207930] bond0: (slave veth1): Releasing backup interface
[  726.210944] bond0: (slave veth0): Releasing backup interface
[  726.250343] bond0 (unregistering): Released all slaves