[  518.907120] bond0: (slave eth0): making interface the new active one
[  518.907211] bond0: (slave eth0): Enslaving as an active interface with an up link
[  523.085014] bond0: (slave eth0): Releasing backup interface
[  523.155046] bond0: (slave eth0): Enslaving as an active interface with an up link
[  527.315649] bond0: (slave eth0): Releasing backup interface
[  527.338948] bond0 (unregistering): Released all slaves