[  505.589693] bond0: (slave eth0): making interface the new active one
[  505.589777] bond0: (slave eth0): Enslaving as an active interface with an up link
[  509.780247] bond0: (slave eth0): Releasing backup interface
[  509.854673] bond0: (slave eth0): Enslaving as an active interface with an up link
[  514.007364] bond0: (slave eth0): Releasing backup interface
[  514.052311] bond0 (unregistering): Released all slaves