[  509.183701] bond0: (slave eth0): making interface the new active one
[  509.183866] bond0: (slave eth0): Enslaving as an active interface with an up link
[  513.366446] bond0: (slave eth0): Releasing backup interface
[  513.439029] bond0: (slave eth0): Enslaving as an active interface with an up link
[  517.593562] bond0: (slave eth0): Releasing backup interface
[  517.620423] bond0 (unregistering): Released all slaves