[  867.347491][ T9688] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  867.448064][ T9689] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  867.526706][ T9690] br0: port 1(veth0) entered blocking state
[  867.527027][ T9690] br0: port 1(veth0) entered disabled state
[  867.527364][ T9690] veth0: entered allmulticast mode
[  867.529114][ T9690] veth0: entered promiscuous mode
[  867.615665][ T9691] br0: port 2(veth1) entered blocking state
[  867.615918][ T9691] br0: port 2(veth1) entered disabled state
[  867.616150][ T9691] veth1: entered allmulticast mode
[  867.617319][ T9691] veth1: entered promiscuous mode
[  868.090754][   T57] br0: port 1(veth0) entered blocking state
[  868.091044][   T57] br0: port 1(veth0) entered forwarding state
[  868.092018][   T57] br0: port 2(veth1) entered blocking state
[  868.092263][   T57] br0: port 2(veth1) entered forwarding state
[  869.321668][ T4666] bond0: (slave veth1): link status definitely up
[  869.322057][ T4666] bond0: (slave veth1): making interface the new active one
[  869.323245][ T4666] bond0: active interface up!
[  869.666816][ T4666] veth1: left allmulticast mode
[  869.667015][ T4666] veth1: left promiscuous mode
[  869.667317][ T4666] br0: port 2(veth1) entered disabled state
[  869.669416][ T4666] veth0: left allmulticast mode
[  869.669604][ T4666] veth0: left promiscuous mode
[  869.669869][ T4666] br0: port 1(veth0) entered disabled state
[  869.836685][ T4666] bond0: (slave veth1): Releasing backup interface
[  870.030720][ T4666] bond0: (slave veth0): Releasing backup interface
[  870.392894][ T4666] bond0 (unregistering): Released all slaves