[  527.971840] bond0: (slave eth0): making interface the new active one
[  527.971920] bond0: (slave eth0): Enslaving as an active interface with an up link
[  532.175093] bond0: (slave eth0): Releasing backup interface
[  532.252208] bond0: (slave eth0): Enslaving as an active interface with an up link
[  536.401385] bond0: (slave eth0): Releasing backup interface
[  536.432755] bond0 (unregistering): Released all slaves