[  876.293885][ T9537] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  876.378566][ T9538] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  876.474391][ T9539] br0: port 1(veth0) entered blocking state
[  876.475413][ T9539] br0: port 1(veth0) entered disabled state
[  876.475720][ T9539] veth0: entered allmulticast mode
[  876.476927][ T9539] veth0: entered promiscuous mode
[  876.567580][ T9540] br0: port 2(veth1) entered blocking state
[  876.568125][ T9540] br0: port 2(veth1) entered disabled state
[  876.568379][ T9540] veth1: entered allmulticast mode
[  876.569584][ T9540] veth1: entered promiscuous mode
[  877.030250][   T38] br0: port 1(veth0) entered blocking state
[  877.030601][   T38] br0: port 1(veth0) entered forwarding state
[  877.031877][   T38] br0: port 2(veth1) entered blocking state
[  877.032102][   T38] br0: port 2(veth1) entered forwarding state
[  878.270098][   T11] bond0: (slave veth1): link status definitely up
[  878.270493][   T11] bond0: (slave veth1): making interface the new active one
[  878.271896][   T11] bond0: active interface up!
[  878.653408][   T11] veth1: left allmulticast mode
[  878.653784][   T11] veth1: left promiscuous mode
[  878.654213][   T11] br0: port 2(veth1) entered disabled state
[  878.657891][   T11] veth0: left allmulticast mode
[  878.658168][   T11] veth0: left promiscuous mode
[  878.658547][   T11] br0: port 1(veth0) entered disabled state
[  878.807127][   T11] bond0: (slave veth1): Releasing backup interface
[  878.973137][   T11] bond0: (slave veth0): Releasing backup interface
[  879.335178][   T11] bond0 (unregistering): Released all slaves