[  517.941321] bond0: (slave eth0): making interface the new active one
[  517.941409] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.133248] bond0: (slave eth0): Releasing backup interface
[  522.211351] bond0: (slave eth0): Enslaving as an active interface with an up link
[  526.362567] bond0: (slave eth0): Releasing backup interface
[  526.398241] bond0 (unregistering): Released all slaves