[  523.214038] bond0: (slave eth0): making interface the new active one
[  523.214142] bond0: (slave eth0): Enslaving as an active interface with an up link
[  527.368481] bond0: (slave eth0): Releasing backup interface
[  527.428279] bond0: (slave eth0): Enslaving as an active interface with an up link
[  531.599687] bond0: (slave eth0): Releasing backup interface
[  531.625215] bond0 (unregistering): Released all slaves