[  523.433105] bond0: (slave eth0): making interface the new active one
[  523.433179] bond0: (slave eth0): Enslaving as an active interface with an up link
[  527.641283] bond0: (slave eth0): Releasing backup interface
[  527.748865] bond0: (slave eth0): Enslaving as an active interface with an up link
[  531.927083] bond0: (slave eth0): Releasing backup interface
[  531.964046] bond0 (unregistering): Released all slaves