[  518.702111] bond0: (slave eth0): making interface the new active one
[  518.702241] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.913742] bond0: (slave eth0): Releasing backup interface
[  522.997903] bond0: (slave eth0): Enslaving as an active interface with an up link
[  527.204643] bond0: (slave eth0): Releasing backup interface
[  527.239405] bond0 (unregistering): Released all slaves