[  518.736176] bond0: (slave eth0): making interface the new active one
[  518.736282] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.900580] bond0: (slave eth0): Releasing backup interface
[  522.979519] bond0: (slave eth0): Enslaving as an active interface with an up link
[  527.131727] bond0: (slave eth0): Releasing backup interface
[  527.165312] bond0 (unregistering): Released all slaves