[  518.013773] bond0: (slave eth0): making interface the new active one
[  518.013866] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.267988] bond0: (slave eth0): Releasing backup interface
[  522.377147] bond0: (slave eth0): Enslaving as an active interface with an up link
[  526.558488] bond0: (slave eth0): Releasing backup interface
[  526.580424] bond0 (unregistering): Released all slaves