[  518.411728] bond0: (slave eth0): making interface the new active one
[  518.411812] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.608104] bond0: (slave eth0): Releasing backup interface
[  522.727527] bond0: (slave eth0): Enslaving as an active interface with an up link
[  526.903164] bond0: (slave eth0): Releasing backup interface
[  526.947044] bond0 (unregistering): Released all slaves