[  516.606027] bond0: (slave eth0): making interface the new active one
[  516.606111] bond0: (slave eth0): Enslaving as an active interface with an up link
[  520.857438] bond0: (slave eth0): Releasing backup interface
[  520.968679] bond0: (slave eth0): Enslaving as an active interface with an up link
[  525.138064] bond0: (slave eth0): Releasing backup interface
[  525.175986] bond0 (unregistering): Released all slaves