[  538.050314] bond0: (slave eth0): making interface the new active one
[  538.050409] bond0: (slave eth0): Enslaving as an active interface with an up link
[  542.289658] bond0: (slave eth0): Releasing backup interface
[  542.391867] bond0: (slave eth0): Enslaving as an active interface with an up link
[  546.576743] bond0: (slave eth0): Releasing backup interface
[  546.607680] bond0 (unregistering): Released all slaves