[  517.890939] bond0: (slave eth0): making interface the new active one
[  517.891046] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.067166] bond0: (slave eth0): Releasing backup interface
[  522.146262] bond0: (slave eth0): Enslaving as an active interface with an up link
[  526.297389] bond0: (slave eth0): Releasing backup interface
[  526.322228] bond0 (unregistering): Released all slaves