[  518.861923] bond0: (slave eth0): making interface the new active one
[  518.861996] bond0: (slave eth0): Enslaving as an active interface with an up link
[  523.023371] bond0: (slave eth0): Releasing backup interface
[  523.102299] bond0: (slave eth0): Enslaving as an active interface with an up link
[  527.250930] bond0: (slave eth0): Releasing backup interface
[  527.273504] bond0 (unregistering): Released all slaves