[  531.630631] bond0: (slave eth0): making interface the new active one
[  531.630733] bond0: (slave eth0): Enslaving as an active interface with an up link
[  535.816438] bond0: (slave eth0): Releasing backup interface
[  535.886304] bond0: (slave eth0): Enslaving as an active interface with an up link
[  540.046585] bond0: (slave eth0): Releasing backup interface
[  540.080497] bond0 (unregistering): Released all slaves