[  520.883377] bond0: (slave eth0): making interface the new active one
[  520.883447] bond0: (slave eth0): Enslaving as an active interface with an up link
[  525.071376] bond0: (slave eth0): Releasing backup interface
[  525.145037] bond0: (slave eth0): Enslaving as an active interface with an up link
[  529.302290] bond0: (slave eth0): Releasing backup interface
[  529.339245] bond0 (unregistering): Released all slaves