[  840.418454][ T9399] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  840.516500][ T9400] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  840.617472][ T9401] br0: port 1(veth0) entered blocking state
[  840.617796][ T9401] br0: port 1(veth0) entered disabled state
[  840.618078][ T9401] veth0: entered allmulticast mode
[  840.619350][ T9401] veth0: entered promiscuous mode
[  840.716916][ T9402] br0: port 2(veth1) entered blocking state
[  840.718463][ T9402] br0: port 2(veth1) entered disabled state
[  840.718903][ T9402] veth1: entered allmulticast mode
[  840.720992][ T9402] veth1: entered promiscuous mode
[  841.099121][   T40] br0: port 1(veth0) entered blocking state
[  841.099532][   T40] br0: port 1(veth0) entered forwarding state
[  841.101914][   T40] br0: port 2(veth1) entered blocking state
[  841.102293][   T40] br0: port 2(veth1) entered forwarding state
[  842.385762][ T8504] bond0: (slave veth1): link status definitely up
[  842.386199][ T8504] bond0: (slave veth1): making interface the new active one
[  842.387740][ T8504] bond0: active interface up!
[  842.655054][   T11] veth1: left allmulticast mode
[  842.655370][   T11] veth1: left promiscuous mode
[  842.655729][   T11] br0: port 2(veth1) entered disabled state
[  842.658508][   T11] veth0: left allmulticast mode
[  842.658766][   T11] veth0: left promiscuous mode
[  842.659147][   T11] br0: port 1(veth0) entered disabled state
[  842.843961][   T11] bond0: (slave veth1): Releasing backup interface
[  843.030803][   T11] bond0: (slave veth0): Releasing backup interface
[  843.439310][   T11] bond0 (unregistering): Released all slaves