[  518.639660] bond0: (slave eth0): making interface the new active one
[  518.639797] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.827842] bond0: (slave eth0): Releasing backup interface
[  522.900458] bond0: (slave eth0): Enslaving as an active interface with an up link
[  527.052116] bond0: (slave eth0): Releasing backup interface
[  527.080056] bond0 (unregistering): Released all slaves