[  518.702872] bond0: (slave eth0): making interface the new active one
[  518.702940] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.908075] bond0: (slave eth0): Releasing backup interface
[  523.015680] bond0: (slave eth0): Enslaving as an active interface with an up link
[  527.196021] bond0: (slave eth0): Releasing backup interface
[  527.228938] bond0 (unregistering): Released all slaves