[  875.534200][ T9455] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  875.622592][ T9456] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  875.716109][ T9457] br0: port 1(veth0) entered blocking state
[  875.716425][ T9457] br0: port 1(veth0) entered disabled state
[  875.716694][ T9457] veth0: entered allmulticast mode
[  875.717897][ T9457] veth0: entered promiscuous mode
[  875.817857][ T9458] br0: port 2(veth1) entered blocking state
[  875.818182][ T9458] br0: port 2(veth1) entered disabled state
[  875.818422][ T9458] veth1: entered allmulticast mode
[  875.819606][ T9458] veth1: entered promiscuous mode
[  876.287219][ T4032] br0: port 1(veth0) entered blocking state
[  876.287692][ T4032] br0: port 1(veth0) entered forwarding state
[  876.289188][ T4032] br0: port 2(veth1) entered blocking state
[  876.289572][ T4032] br0: port 2(veth1) entered forwarding state
[  877.478771][   T11] bond0: (slave veth1): link status definitely up
[  877.479167][   T11] bond0: (slave veth1): making interface the new active one
[  877.490215][   T11] bond0: active interface up!
[  877.797025][   T11] veth1: left allmulticast mode
[  877.797506][   T11] veth1: left promiscuous mode
[  877.797967][   T11] br0: port 2(veth1) entered disabled state
[  877.800987][   T11] veth0: left allmulticast mode
[  877.801471][   T11] veth0: left promiscuous mode
[  877.801872][   T11] br0: port 1(veth0) entered disabled state
[  877.982664][   T11] bond0: (slave veth1): Releasing backup interface
[  878.095474][   T11] bond0: (slave veth0): Releasing backup interface
[  878.471201][   T11] bond0 (unregistering): Released all slaves