[  834.899873][ T9413] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  834.993354][ T9414] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  835.100718][ T9415] br0: port 1(veth0) entered blocking state
[  835.101004][ T9415] br0: port 1(veth0) entered disabled state
[  835.101266][ T9415] veth0: entered allmulticast mode
[  835.102539][ T9415] veth0: entered promiscuous mode
[  835.188562][ T9416] br0: port 2(veth1) entered blocking state
[  835.188864][ T9416] br0: port 2(veth1) entered disabled state
[  835.189137][ T9416] veth1: entered allmulticast mode
[  835.190368][ T9416] veth1: entered promiscuous mode
[  835.633484][ T8744] br0: port 1(veth0) entered blocking state
[  835.633773][ T8744] br0: port 1(veth0) entered forwarding state
[  835.634822][ T8744] br0: port 2(veth1) entered blocking state
[  835.635071][ T8744] br0: port 2(veth1) entered forwarding state
[  836.889547][ T8608] bond0: (slave veth1): link status definitely up
[  836.890091][ T8608] bond0: (slave veth1): making interface the new active one
[  836.891583][ T8608] bond0: active interface up!
[  837.291884][  T578] veth1: left allmulticast mode
[  837.292815][  T578] veth1: left promiscuous mode
[  837.293159][  T578] br0: port 2(veth1) entered disabled state
[  837.297184][  T578] veth0: left allmulticast mode
[  837.297396][  T578] veth0: left promiscuous mode
[  837.297682][  T578] br0: port 1(veth0) entered disabled state
[  837.477549][  T578] bond0: (slave veth1): Releasing backup interface
[  837.689432][  T578] bond0: (slave veth0): Releasing backup interface
[  838.043792][  T578] bond0 (unregistering): Released all slaves