[  522.619988] bond0: (slave eth0): making interface the new active one
[  522.620065] bond0: (slave eth0): Enslaving as an active interface with an up link
[  526.834771] bond0: (slave eth0): Releasing backup interface
[  526.920916] bond0: (slave eth0): Enslaving as an active interface with an up link
[  531.061007] bond0: (slave eth0): Releasing backup interface
[  531.094988] bond0 (unregistering): Released all slaves