[  505.229673] bond0: (slave eth0): making interface the new active one
[  505.229761] bond0: (slave eth0): Enslaving as an active interface with an up link
[  509.397382] bond0: (slave eth0): Releasing backup interface
[  509.472904] bond0: (slave eth0): Enslaving as an active interface with an up link
[  513.619272] bond0: (slave eth0): Releasing backup interface
[  513.667204] bond0 (unregistering): Released all slaves