[  833.098384][ T9417] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  833.187722][ T9418] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  833.273288][ T9419] br0: port 1(veth0) entered blocking state
[  833.273609][ T9419] br0: port 1(veth0) entered disabled state
[  833.273877][ T9419] veth0: entered allmulticast mode
[  833.275100][ T9419] veth0: entered promiscuous mode
[  833.363654][ T9420] br0: port 2(veth1) entered blocking state
[  833.363913][ T9420] br0: port 2(veth1) entered disabled state
[  833.364152][ T9420] veth1: entered allmulticast mode
[  833.365343][ T9420] veth1: entered promiscuous mode
[  833.896375][   T56] br0: port 1(veth0) entered blocking state
[  833.896792][   T56] br0: port 1(veth0) entered forwarding state
[  833.898323][   T56] br0: port 2(veth1) entered blocking state
[  833.898703][   T56] br0: port 2(veth1) entered forwarding state
[  835.089944][  T903] bond0: (slave veth1): link status definitely up
[  835.090367][  T903] bond0: (slave veth1): making interface the new active one
[  835.091442][  T903] bond0: active interface up!
[  835.466225][  T903] veth1: left allmulticast mode
[  835.466448][  T903] veth1: left promiscuous mode
[  835.466805][  T903] br0: port 2(veth1) entered disabled state
[  835.468654][  T903] veth0: left allmulticast mode
[  835.468860][  T903] veth0: left promiscuous mode
[  835.469151][  T903] br0: port 1(veth0) entered disabled state
[  835.652020][  T903] bond0: (slave veth1): Releasing backup interface
[  835.840934][  T903] bond0: (slave veth0): Releasing backup interface
[  836.282875][  T903] bond0 (unregistering): Released all slaves