[  518.623634] bond0: (slave eth0): making interface the new active one
[  518.623718] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.762469] bond0: (slave eth0): Releasing backup interface
[  522.834034] bond0: (slave eth0): Enslaving as an active interface with an up link
[  526.988250] bond0: (slave eth0): Releasing backup interface
[  527.018208] bond0 (unregistering): Released all slaves