[  518.673739] bond0: (slave eth0): making interface the new active one
[  518.673846] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.837652] bond0: (slave eth0): Releasing backup interface
[  522.912744] bond0: (slave eth0): Enslaving as an active interface with an up link
[  527.060421] bond0: (slave eth0): Releasing backup interface
[  527.092406] bond0 (unregistering): Released all slaves