[  518.962707] bond0: (slave eth0): making interface the new active one
[  518.962826] bond0: (slave eth0): Enslaving as an active interface with an up link
[  523.166615] bond0: (slave eth0): Releasing backup interface
[  523.277689] bond0: (slave eth0): Enslaving as an active interface with an up link
[  527.444019] bond0: (slave eth0): Releasing backup interface
[  527.489052] bond0 (unregistering): Released all slaves