[  522.551481] bond0: (slave eth0): making interface the new active one
[  522.551600] bond0: (slave eth0): Enslaving as an active interface with an up link
[  526.732348] bond0: (slave eth0): Releasing backup interface
[  526.804532] bond0: (slave eth0): Enslaving as an active interface with an up link
[  530.961975] bond0: (slave eth0): Releasing backup interface
[  530.998915] bond0 (unregistering): Released all slaves