[  519.099970] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  519.114579] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  519.130838] br0: port 1(veth0) entered blocking state
[  519.130896] br0: port 1(veth0) entered disabled state
[  519.130942] veth0: entered allmulticast mode
[  519.131026] veth0: entered promiscuous mode
[  519.145411] br0: port 2(veth1) entered blocking state
[  519.145469] br0: port 2(veth1) entered disabled state
[  519.145507] veth1: entered allmulticast mode
[  519.145581] veth1: entered promiscuous mode
[  520.058732] br0: port 1(veth0) entered blocking state
[  520.058824] br0: port 1(veth0) entered forwarding state
[  520.058890] br0: port 2(veth1) entered blocking state
[  520.058923] br0: port 2(veth1) entered forwarding state
[  521.146762] bond0: (slave veth1): link status definitely up
[  521.146873] bond0: (slave veth1): making interface the new active one
[  521.146932] bond0: active interface up!
[  521.249181] veth1: left allmulticast mode
[  521.249231] veth1: left promiscuous mode
[  521.249270] br0: port 2(veth1) entered disabled state
[  521.249517] veth0: left allmulticast mode
[  521.249547] veth0: left promiscuous mode
[  521.249579] br0: port 1(veth0) entered disabled state
[  521.272081] bond0: (slave veth1): Releasing backup interface
[  521.281974] bond0: (slave veth0): Releasing backup interface