[  540.436270] bond0: (slave eth0): making interface the new active one
[  540.436371] bond0: (slave eth0): Enslaving as an active interface with an up link
[  544.727130] bond0: (slave eth0): Releasing backup interface
[  544.828006] bond0: (slave eth0): Enslaving as an active interface with an up link
[  549.008738] bond0: (slave eth0): Releasing backup interface
[  549.037731] bond0 (unregistering): Released all slaves