[  518.890237] bond0: (slave eth0): making interface the new active one
[  518.890313] bond0: (slave eth0): Enslaving as an active interface with an up link
[  523.082093] bond0: (slave eth0): Releasing backup interface
[  523.149095] bond0: (slave eth0): Enslaving as an active interface with an up link
[  527.311709] bond0: (slave eth0): Releasing backup interface
[  527.345604] bond0 (unregistering): Released all slaves