[  522.670059] bond0: (slave eth0): making interface the new active one
[  522.670171] bond0: (slave eth0): Enslaving as an active interface with an up link
[  526.859875] bond0: (slave eth0): Releasing backup interface
[  526.945277] bond0: (slave eth0): Enslaving as an active interface with an up link
[  531.084406] bond0: (slave eth0): Releasing backup interface
[  531.106413] bond0 (unregistering): Released all slaves