[  507.635643] bond0: (slave eth0): making interface the new active one
[  507.635714] bond0: (slave eth0): Enslaving as an active interface with an up link
[  511.836107] bond0: (slave eth0): Releasing backup interface
[  511.954435] bond0: (slave eth0): Enslaving as an active interface with an up link
[  516.114120] bond0: (slave eth0): Releasing backup interface
[  516.135077] bond0 (unregistering): Released all slaves