[  514.408838] bond0: (slave eth0): making interface the new active one
[  514.408914] bond0: (slave eth0): Enslaving as an active interface with an up link
[  518.622185] bond0: (slave eth0): Releasing backup interface
[  518.742449] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.908093] bond0: (slave eth0): Releasing backup interface
[  522.930941] bond0 (unregistering): Released all slaves