[  522.873048] bond0: (slave eth0): making interface the new active one
[  522.873112] bond0: (slave eth0): Enslaving as an active interface with an up link
[  527.056139] bond0: (slave eth0): Releasing backup interface
[  527.150476] bond0: (slave eth0): Enslaving as an active interface with an up link
[  531.340718] bond0: (slave eth0): Releasing backup interface
[  531.373708] bond0 (unregistering): Released all slaves