[  505.316818] bond0: (slave eth0): making interface the new active one
[  505.316942] bond0: (slave eth0): Enslaving as an active interface with an up link
[  509.511098] bond0: (slave eth0): Releasing backup interface
[  509.586657] bond0: (slave eth0): Enslaving as an active interface with an up link
[  513.736292] bond0: (slave eth0): Releasing backup interface
[  513.777283] bond0 (unregistering): Released all slaves