[  516.617732] bond0: (slave eth0): making interface the new active one
[  516.617792] bond0: (slave eth0): Enslaving as an active interface with an up link
[  520.853438] bond0: (slave eth0): Releasing backup interface
[  520.949262] bond0: (slave eth0): Enslaving as an active interface with an up link
[  525.139827] bond0: (slave eth0): Releasing backup interface
[  525.165778] bond0 (unregistering): Released all slaves