[  523.888043] bond0: (slave eth0): making interface the new active one
[  523.888164] bond0: (slave eth0): Enslaving as an active interface with an up link
[  528.085267] bond0: (slave eth0): Releasing backup interface
[  528.176615] bond0: (slave eth0): Enslaving as an active interface with an up link
[  532.373682] bond0: (slave eth0): Releasing backup interface
[  532.392556] bond0 (unregistering): Released all slaves