[  921.227726][ T7828] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  921.352289][ T7829] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  921.486940][ T7830] br0: port 1(veth0) entered blocking state
[  921.487979][ T7830] br0: port 1(veth0) entered disabled state
[  921.488636][ T7830] veth0: entered allmulticast mode
[  921.489797][ T7830] veth0: entered promiscuous mode
[  921.611217][ T7831] br0: port 2(veth1) entered blocking state
[  921.611461][ T7831] br0: port 2(veth1) entered disabled state
[  921.611676][ T7831] veth1: entered allmulticast mode
[  921.613693][ T7831] veth1: entered promiscuous mode
[  921.875712][   T50] br0: port 1(veth0) entered blocking state
[  921.875953][   T50] br0: port 1(veth0) entered forwarding state
[  921.876898][   T50] br0: port 2(veth1) entered blocking state
[  921.877131][   T50] br0: port 2(veth1) entered forwarding state
[  923.182261][  T253] bond0: (slave veth1): link status definitely up
[  923.182642][  T253] bond0: (slave veth1): making interface the new active one
[  923.183645][  T253] bond0: active interface up!
[  923.512897][   T10] veth1: left allmulticast mode
[  923.513135][   T10] veth1: left promiscuous mode
[  923.513495][   T10] br0: port 2(veth1) entered disabled state
[  923.515563][   T10] veth0: left allmulticast mode
[  923.515751][   T10] veth0: left promiscuous mode
[  923.516056][   T10] br0: port 1(veth0) entered disabled state
[  923.555637][   T10] bond0: (slave veth1): Releasing backup interface
[  923.572779][   T10] bond0: (slave veth0): Releasing backup interface
[  923.654016][   T10] bond0 (unregistering): Released all slaves