[  518.934953] bond0: (slave eth0): making interface the new active one
[  518.935034] bond0: (slave eth0): Enslaving as an active interface with an up link
[  523.086048] bond0: (slave eth0): Releasing backup interface
[  523.163872] bond0: (slave eth0): Enslaving as an active interface with an up link
[  527.313686] bond0: (slave eth0): Releasing backup interface
[  527.347405] bond0 (unregistering): Released all slaves