[  875.052904][ T9499] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  875.136535][ T9500] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  875.222645][ T9501] br0: port 1(veth0) entered blocking state
[  875.222932][ T9501] br0: port 1(veth0) entered disabled state
[  875.223232][ T9501] veth0: entered allmulticast mode
[  875.224644][ T9501] veth0: entered promiscuous mode
[  875.313933][ T9502] br0: port 2(veth1) entered blocking state
[  875.314222][ T9502] br0: port 2(veth1) entered disabled state
[  875.314503][ T9502] veth1: entered allmulticast mode
[  875.315752][ T9502] veth1: entered promiscuous mode
[  875.779672][   T39] br0: port 1(veth0) entered blocking state
[  875.780043][   T39] br0: port 1(veth0) entered forwarding state
[  875.781092][   T39] br0: port 2(veth1) entered blocking state
[  875.781381][   T39] br0: port 2(veth1) entered forwarding state
[  877.003529][   T11] bond0: (slave veth1): link status definitely up
[  877.003923][   T11] bond0: (slave veth1): making interface the new active one
[  877.005009][   T11] bond0: active interface up!
[  877.378533][   T11] veth1: left allmulticast mode
[  877.378800][   T11] veth1: left promiscuous mode
[  877.379257][   T11] br0: port 2(veth1) entered disabled state
[  877.382309][   T11] veth0: left allmulticast mode
[  877.382580][   T11] veth0: left promiscuous mode
[  877.382988][   T11] br0: port 1(veth0) entered disabled state
[  877.621344][   T11] bond0: (slave veth1): Releasing backup interface
[  877.820574][   T11] bond0: (slave veth0): Releasing backup interface
[  878.205901][   T11] bond0 (unregistering): Released all slaves