[  508.024288] bond0: (slave eth0): making interface the new active one
[  508.024356] bond0: (slave eth0): Enslaving as an active interface with an up link
[  512.214037] bond0: (slave eth0): Releasing backup interface
[  512.284411] bond0: (slave eth0): Enslaving as an active interface with an up link
[  516.439494] bond0: (slave eth0): Releasing backup interface
[  516.465382] bond0 (unregistering): Released all slaves