[  537.350617] bond0 (unregistering): Released all slaves
[  538.909641] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  538.921518] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  538.933365] br0: port 1(veth0) entered blocking state
[  538.933477] br0: port 1(veth0) entered disabled state
[  538.933560] veth0: entered allmulticast mode
[  538.933675] veth0: entered promiscuous mode
[  538.945202] br0: port 2(veth1) entered blocking state
[  538.945302] br0: port 2(veth1) entered disabled state
[  538.945365] veth1: entered allmulticast mode
[  538.945461] veth1: entered promiscuous mode
[  539.370226] br0: port 1(veth0) entered blocking state
[  539.370340] br0: port 1(veth0) entered forwarding state
[  539.370443] br0: port 2(veth1) entered blocking state
[  539.370508] br0: port 2(veth1) entered forwarding state
[  540.986208] bond0: (slave veth1): link status definitely up
[  540.986296] bond0: (slave veth1): making interface the new active one
[  540.986390] bond0: active interface up!
[  541.116467] veth1: left allmulticast mode
[  541.116518] veth1: left promiscuous mode
[  541.116572] br0: port 2(veth1) entered disabled state
[  541.116727] veth0: left allmulticast mode
[  541.116773] veth0: left promiscuous mode
[  541.116817] br0: port 1(veth0) entered disabled state
[  541.141415] bond0: (slave veth1): Releasing backup interface
[  541.149409] bond0: (slave veth0): Releasing backup interface