[  518.698300] bond0: (slave eth0): making interface the new active one
[  518.698385] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.902576] bond0: (slave eth0): Releasing backup interface
[  522.983081] bond0: (slave eth0): Enslaving as an active interface with an up link
[  527.133362] bond0: (slave eth0): Releasing backup interface
[  527.170296] bond0 (unregistering): Released all slaves