[  852.980625][ T9517] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  853.061052][ T9518] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  853.144560][ T9519] br0: port 1(veth0) entered blocking state
[  853.144848][ T9519] br0: port 1(veth0) entered disabled state
[  853.145143][ T9519] veth0: entered allmulticast mode
[  853.146983][ T9519] veth0: entered promiscuous mode
[  853.232907][ T9520] br0: port 2(veth1) entered blocking state
[  853.233369][ T9520] br0: port 2(veth1) entered disabled state
[  853.233612][ T9520] veth1: entered allmulticast mode
[  853.234813][ T9520] veth1: entered promiscuous mode
[  853.729655][ T9250] br0: port 1(veth0) entered blocking state
[  853.730000][ T9250] br0: port 1(veth0) entered forwarding state
[  853.731106][ T9250] br0: port 2(veth1) entered blocking state
[  853.731393][ T9250] br0: port 2(veth1) entered forwarding state
[  854.922350][ T8534] bond0: (slave veth1): link status definitely up
[  854.922995][ T8534] bond0: (slave veth1): making interface the new active one
[  854.926501][ T8534] bond0: active interface up!
[  855.174624][  T259] veth1: left allmulticast mode
[  855.174885][  T259] veth1: left promiscuous mode
[  855.175396][  T259] br0: port 2(veth1) entered disabled state
[  855.178666][  T259] veth0: left allmulticast mode
[  855.178964][  T259] veth0: left promiscuous mode
[  855.179422][  T259] br0: port 1(veth0) entered disabled state
[  855.345190][  T259] bond0: (slave veth1): Releasing backup interface
[  855.517564][  T259] bond0: (slave veth0): Releasing backup interface
[  855.734956][  T259] bond0 (unregistering): Released all slaves