[  518.995904] bond0: (slave eth0): making interface the new active one
[  518.996004] bond0: (slave eth0): Enslaving as an active interface with an up link
[  523.228956] bond0: (slave eth0): Releasing backup interface
[  523.329988] bond0: (slave eth0): Enslaving as an active interface with an up link
[  527.512965] bond0: (slave eth0): Releasing backup interface
[  527.549928] bond0 (unregistering): Released all slaves