[  526.500583] bond0: (slave eth0): making interface the new active one
[  526.500672] bond0: (slave eth0): Enslaving as an active interface with an up link
[  530.717446] bond0: (slave eth0): Releasing backup interface
[  530.825501] bond0: (slave eth0): Enslaving as an active interface with an up link
[  535.001114] bond0: (slave eth0): Releasing backup interface
[  535.038051] bond0 (unregistering): Released all slaves