[  522.186338] bond0: (slave eth0): making interface the new active one
[  522.186471] bond0: (slave eth0): Enslaving as an active interface with an up link
[  526.347724] bond0: (slave eth0): Releasing backup interface
[  526.421374] bond0: (slave eth0): Enslaving as an active interface with an up link
[  530.575589] bond0: (slave eth0): Releasing backup interface
[  530.597499] bond0 (unregistering): Released all slaves