[  523.169543] bond0: (slave eth0): making interface the new active one
[  523.169630] bond0: (slave eth0): Enslaving as an active interface with an up link
[  527.338291] bond0: (slave eth0): Releasing backup interface
[  527.414494] bond0: (slave eth0): Enslaving as an active interface with an up link
[  531.568549] bond0: (slave eth0): Releasing backup interface
[  531.598481] bond0 (unregistering): Released all slaves