[  522.747038] bond0: (slave eth0): making interface the new active one
[  522.747116] bond0: (slave eth0): Enslaving as an active interface with an up link
[  526.924161] bond0: (slave eth0): Releasing backup interface
[  527.001158] bond0: (slave eth0): Enslaving as an active interface with an up link
[  531.149060] bond0: (slave eth0): Releasing backup interface
[  531.170958] bond0 (unregistering): Released all slaves