[  518.054559] bond0: (slave eth0): making interface the new active one
[  518.054643] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.190430] bond0: (slave eth0): Releasing backup interface
[  522.248299] bond0: (slave eth0): Enslaving as an active interface with an up link
[  526.417194] bond0: (slave eth0): Releasing backup interface
[  526.454778] bond0 (unregistering): Released all slaves