[  518.755385] bond0: (slave eth0): making interface the new active one
[  518.755466] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.940093] bond0: (slave eth0): Releasing backup interface
[  523.041598] bond0: (slave eth0): Enslaving as an active interface with an up link
[  527.220498] bond0: (slave eth0): Releasing backup interface
[  527.245405] bond0 (unregistering): Released all slaves