[  538.243496] bond0: (slave eth0): making interface the new active one
[  538.243582] bond0: (slave eth0): Enslaving as an active interface with an up link
[  542.484421] bond0: (slave eth0): Releasing backup interface
[  542.576342] bond0: (slave eth0): Enslaving as an active interface with an up link
[  546.772719] bond0: (slave eth0): Releasing backup interface
[  546.797719] bond0 (unregistering): Released all slaves