[  535.490224] bond0: (slave eth0): making interface the new active one
[  535.490295] bond0: (slave eth0): Enslaving as an active interface with an up link
[  539.658337] bond0: (slave eth0): Releasing backup interface
[  539.713111] bond0: (slave eth0): Enslaving as an active interface with an up link
[  543.886329] bond0: (slave eth0): Releasing backup interface
[  543.915355] bond0 (unregistering): Released all slaves