[  506.996247] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  507.005652] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  507.015049] br0: port 1(veth0) entered blocking state
[  507.015129] br0: port 1(veth0) entered disabled state
[  507.015188] veth0: entered allmulticast mode
[  507.015279] veth0: entered promiscuous mode
[  507.024373] br0: port 2(veth1) entered blocking state
[  507.024439] br0: port 2(veth1) entered disabled state
[  507.024491] veth1: entered allmulticast mode
[  507.024578] veth1: entered promiscuous mode
[  507.180928] br0: port 1(veth0) entered blocking state
[  507.181003] br0: port 1(veth0) entered forwarding state
[  507.181081] br0: port 2(veth1) entered blocking state
[  507.181132] br0: port 2(veth1) entered forwarding state
[  509.053018] bond0: (slave veth1): link status definitely up
[  509.053149] bond0: (slave veth1): making interface the new active one
[  509.053242] bond0: active interface up!
[  509.148721] veth1: left allmulticast mode
[  509.148791] veth1: left promiscuous mode
[  509.148843] br0: port 2(veth1) entered disabled state
[  509.148967] veth0: left allmulticast mode
[  509.148998] veth0: left promiscuous mode
[  509.149067] br0: port 1(veth0) entered disabled state
[  509.162471] bond0: (slave veth1): Releasing backup interface
[  509.167140] bond0: (slave veth0): Releasing backup interface
[  509.203210] bond0 (unregistering): Released all slaves