[  854.044515][ T9524] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  854.138649][ T9525] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  854.222118][ T9526] br0: port 1(veth0) entered blocking state
[  854.222472][ T9526] br0: port 1(veth0) entered disabled state
[  854.222858][ T9526] veth0: entered allmulticast mode
[  854.224675][ T9526] veth0: entered promiscuous mode
[  854.318459][ T9527] br0: port 2(veth1) entered blocking state
[  854.318892][ T9527] br0: port 2(veth1) entered disabled state
[  854.319639][ T9527] veth1: entered allmulticast mode
[  854.321727][ T9527] veth1: entered promiscuous mode
[  854.794738][ T9076] br0: port 1(veth0) entered blocking state
[  854.795014][ T9076] br0: port 1(veth0) entered forwarding state
[  854.796186][ T9076] br0: port 2(veth1) entered blocking state
[  854.796450][ T9076] br0: port 2(veth1) entered forwarding state
[  856.012136][   T12] bond0: (slave veth1): link status definitely up
[  856.012546][   T12] bond0: (slave veth1): making interface the new active one
[  856.013755][   T12] bond0: active interface up!
[  856.450334][   T12] veth1: left allmulticast mode
[  856.450564][   T12] veth1: left promiscuous mode
[  856.450900][   T12] br0: port 2(veth1) entered disabled state
[  856.453580][   T12] veth0: left allmulticast mode
[  856.453923][   T12] veth0: left promiscuous mode
[  856.454410][   T12] br0: port 1(veth0) entered disabled state
[  856.629299][   T12] bond0: (slave veth1): Releasing backup interface
[  856.780109][   T12] bond0: (slave veth0): Releasing backup interface
[  856.988087][   T12] bond0 (unregistering): Released all slaves