[  518.298267] bond0: (slave eth0): making interface the new active one
[  518.298360] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.443927] bond0: (slave eth0): Releasing backup interface
[  522.506866] bond0: (slave eth0): Enslaving as an active interface with an up link
[  526.666666] bond0: (slave eth0): Releasing backup interface
[  526.691602] bond0 (unregistering): Released all slaves