[  518.337343] bond0: (slave eth0): making interface the new active one
[  518.337432] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.506263] bond0: (slave eth0): Releasing backup interface
[  522.575447] bond0: (slave eth0): Enslaving as an active interface with an up link
[  526.732071] bond0: (slave eth0): Releasing backup interface
[  526.763028] bond0 (unregistering): Released all slaves