[  837.964207][ T9937] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  838.053900][ T9938] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  838.150779][ T9939] br0: port 1(veth0) entered blocking state
[  838.151181][ T9939] br0: port 1(veth0) entered disabled state
[  838.151480][ T9939] veth0: entered allmulticast mode
[  838.152752][ T9939] veth0: entered promiscuous mode
[  838.244006][ T9940] br0: port 2(veth1) entered blocking state
[  838.244352][ T9940] br0: port 2(veth1) entered disabled state
[  838.244637][ T9940] veth1: entered allmulticast mode
[  838.245964][ T9940] veth1: entered promiscuous mode
[  838.817819][   T45] br0: port 1(veth0) entered blocking state
[  838.818090][   T45] br0: port 1(veth0) entered forwarding state
[  838.819062][   T45] br0: port 2(veth1) entered blocking state
[  838.819326][   T45] br0: port 2(veth1) entered forwarding state
[  839.937816][ T5914] bond0: (slave veth1): link status definitely up
[  839.938246][ T5914] bond0: (slave veth1): making interface the new active one
[  839.939456][ T5914] bond0: active interface up!
[  840.381230][ T5914] veth1: left allmulticast mode
[  840.381457][ T5914] veth1: left promiscuous mode
[  840.381766][ T5914] br0: port 2(veth1) entered disabled state
[  840.383769][ T5914] veth0: left allmulticast mode
[  840.383963][ T5914] veth0: left promiscuous mode
[  840.384302][ T5914] br0: port 1(veth0) entered disabled state
[  840.526025][ T5914] bond0: (slave veth1): Releasing backup interface
[  840.606728][ T5914] bond0: (slave veth0): Releasing backup interface
[  840.974044][ T5914] bond0 (unregistering): Released all slaves