[  518.055070] bond0: (slave eth0): making interface the new active one
[  518.055164] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.292973] bond0: (slave eth0): Releasing backup interface
[  522.408257] bond0: (slave eth0): Enslaving as an active interface with an up link
[  526.567923] bond0: (slave eth0): Releasing backup interface
[  526.604875] bond0 (unregistering): Released all slaves