[  526.410503] bond0: (slave eth0): making interface the new active one
[  526.410589] bond0: (slave eth0): Enslaving as an active interface with an up link
[  530.576085] bond0: (slave eth0): Releasing backup interface
[  530.635745] bond0: (slave eth0): Enslaving as an active interface with an up link
[  534.802076] bond0: (slave eth0): Releasing backup interface
[  534.845070] bond0 (unregistering): Released all slaves