[  517.695682] bond0: (slave eth0): making interface the new active one
[  517.695800] bond0: (slave eth0): Enslaving as an active interface with an up link
[  521.948983] bond0: (slave eth0): Releasing backup interface
[  522.058810] bond0: (slave eth0): Enslaving as an active interface with an up link
[  526.231120] bond0: (slave eth0): Releasing backup interface
[  526.256165] bond0 (unregistering): Released all slaves