[  521.873765] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  521.888403] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  521.905352] br0: port 1(veth0) entered blocking state
[  521.905429] br0: port 1(veth0) entered disabled state
[  521.905496] veth0: entered allmulticast mode
[  521.905601] veth0: entered promiscuous mode
[  521.920832] br0: port 2(veth1) entered blocking state
[  521.920903] br0: port 2(veth1) entered disabled state
[  521.920960] veth1: entered allmulticast mode
[  521.921056] veth1: entered promiscuous mode
[  522.219761] br0: port 1(veth0) entered blocking state
[  522.219850] br0: port 1(veth0) entered forwarding state
[  522.219916] br0: port 2(veth1) entered blocking state
[  522.219962] br0: port 2(veth1) entered forwarding state
[  523.899770] bond0: (slave veth1): link status definitely up
[  523.899860] bond0: (slave veth1): making interface the new active one
[  523.899930] bond0: active interface up!
[  523.986983] veth1: left allmulticast mode
[  523.987044] veth1: left promiscuous mode
[  523.987091] br0: port 2(veth1) entered disabled state
[  523.987206] veth0: left allmulticast mode
[  523.987250] veth0: left promiscuous mode
[  523.987290] br0: port 1(veth0) entered disabled state
[  524.015963] bond0: (slave veth1): Releasing backup interface
[  524.030952] bond0: (slave veth0): Releasing backup interface