[  518.882594] bond0: (slave eth0): making interface the new active one
[  518.882674] bond0: (slave eth0): Enslaving as an active interface with an up link
[  523.094811] bond0: (slave eth0): Releasing backup interface
[  523.194229] bond0: (slave eth0): Enslaving as an active interface with an up link
[  527.387087] bond0: (slave eth0): Releasing backup interface
[  527.414035] bond0 (unregistering): Released all slaves