[  517.991509] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  518.002405] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  518.011943] br0: port 1(veth0) entered blocking state
[  518.012022] br0: port 1(veth0) entered disabled state
[  518.012082] veth0: entered allmulticast mode
[  518.012176] veth0: entered promiscuous mode
[  518.021288] br0: port 2(veth1) entered blocking state
[  518.021367] br0: port 2(veth1) entered disabled state
[  518.021420] veth1: entered allmulticast mode
[  518.021504] veth1: entered promiscuous mode
[  518.128264] br0: port 1(veth0) entered blocking state
[  518.128368] br0: port 1(veth0) entered forwarding state
[  518.128462] br0: port 2(veth1) entered blocking state
[  518.128504] br0: port 2(veth1) entered forwarding state
[  520.064238] bond0: (slave veth1): link status definitely up
[  520.064382] bond0: (slave veth1): making interface the new active one
[  520.064471] bond0: active interface up!
[  520.148813] veth1: left allmulticast mode
[  520.148917] veth1: left promiscuous mode
[  520.148983] br0: port 2(veth1) entered disabled state
[  520.149117] veth0: left allmulticast mode
[  520.149190] veth0: left promiscuous mode
[  520.149241] br0: port 1(veth0) entered disabled state
[  520.167495] bond0: (slave veth1): Releasing backup interface
[  520.173388] bond0: (slave veth0): Releasing backup interface
[  520.193339] bond0 (unregistering): Released all slaves