[  518.929070] bond0: (slave eth0): making interface the new active one
[  518.929154] bond0: (slave eth0): Enslaving as an active interface with an up link
[  523.091341] bond0: (slave eth0): Releasing backup interface
[  523.169122] bond0: (slave eth0): Enslaving as an active interface with an up link
[  527.316390] bond0: (slave eth0): Releasing backup interface
[  527.355206] bond0 (unregistering): Released all slaves