[  518.794434] bond0: (slave eth0): making interface the new active one
[  518.794539] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.955499] bond0: (slave eth0): Releasing backup interface
[  523.037068] bond0: (slave eth0): Enslaving as an active interface with an up link
[  527.183184] bond0: (slave eth0): Releasing backup interface
[  527.206009] bond0 (unregistering): Released all slaves