[  521.961346] bond0: (slave eth0): making interface the new active one
[  521.961441] bond0: (slave eth0): Enslaving as an active interface with an up link
[  526.170292] bond0: (slave eth0): Releasing backup interface
[  526.286293] bond0: (slave eth0): Enslaving as an active interface with an up link
[  530.459245] bond0: (slave eth0): Releasing backup interface
[  530.492183] bond0 (unregistering): Released all slaves