[  523.987778] bond0: (slave eth0): making interface the new active one
[  523.987890] bond0: (slave eth0): Enslaving as an active interface with an up link
[  528.149087] bond0: (slave eth0): Releasing backup interface
[  528.227873] bond0: (slave eth0): Enslaving as an active interface with an up link
[  532.369609] bond0: (slave eth0): Releasing backup interface
[  532.388562] bond0 (unregistering): Released all slaves