[  523.246177] bond0: (slave eth0): making interface the new active one
[  523.246254] bond0: (slave eth0): Enslaving as an active interface with an up link
[  527.438919] bond0: (slave eth0): Releasing backup interface
[  527.514273] bond0: (slave eth0): Enslaving as an active interface with an up link
[  531.665323] bond0: (slave eth0): Releasing backup interface
[  531.686256] bond0 (unregistering): Released all slaves