[  539.866970] bond0: (slave eth0): making interface the new active one
[  539.867050] bond0: (slave eth0): Enslaving as an active interface with an up link
[  544.077049] bond0: (slave eth0): Releasing backup interface
[  544.166222] bond0: (slave eth0): Enslaving as an active interface with an up link
[  548.368798] bond0: (slave eth0): Releasing backup interface
[  548.396979] bond0 (unregistering): Released all slaves