[  876.830622][ T9560] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  876.924091][ T9561] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  877.012467][ T9562] br0: port 1(veth0) entered blocking state
[  877.012774][ T9562] br0: port 1(veth0) entered disabled state
[  877.013044][ T9562] veth0: entered allmulticast mode
[  877.014231][ T9562] veth0: entered promiscuous mode
[  877.101598][ T9563] br0: port 2(veth1) entered blocking state
[  877.101882][ T9563] br0: port 2(veth1) entered disabled state
[  877.102152][ T9563] veth1: entered allmulticast mode
[  877.103469][ T9563] veth1: entered promiscuous mode
[  877.559432][ T4034] br0: port 1(veth0) entered blocking state
[  877.559723][ T4034] br0: port 1(veth0) entered forwarding state
[  877.561170][ T4034] br0: port 2(veth1) entered blocking state
[  877.561480][ T4034] br0: port 2(veth1) entered forwarding state
[  878.790983][ T8290] bond0: (slave veth1): link status definitely up
[  878.791439][ T8290] bond0: (slave veth1): making interface the new active one
[  878.793370][ T8290] bond0: active interface up!
[  879.165294][ T8290] veth1: left allmulticast mode
[  879.165897][ T8290] veth1: left promiscuous mode
[  879.166211][ T8290] br0: port 2(veth1) entered disabled state
[  879.169197][ T8290] veth0: left allmulticast mode
[  879.169375][ T8290] veth0: left promiscuous mode
[  879.169845][ T8290] br0: port 1(veth0) entered disabled state
[  879.389946][ T8290] bond0: (slave veth1): Releasing backup interface
[  879.494976][ T8290] bond0: (slave veth0): Releasing backup interface
[  879.690711][ T8290] bond0 (unregistering): Released all slaves