[  518.838899] bond0: (slave eth0): making interface the new active one
[  518.839001] bond0: (slave eth0): Enslaving as an active interface with an up link
[  523.021992] bond0: (slave eth0): Releasing backup interface
[  523.089868] bond0: (slave eth0): Enslaving as an active interface with an up link
[  527.248941] bond0: (slave eth0): Releasing backup interface
[  527.279324] bond0 (unregistering): Released all slaves