[  517.996174] bond0: (slave eth0): making interface the new active one
[  517.996280] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.194608] bond0: (slave eth0): Releasing backup interface
[  522.273202] bond0: (slave eth0): Enslaving as an active interface with an up link
[  526.421647] bond0: (slave eth0): Releasing backup interface
[  526.457517] bond0 (unregistering): Released all slaves