[  516.811180] bond0: (slave eth0): making interface the new active one
[  516.811265] bond0: (slave eth0): Enslaving as an active interface with an up link
[  521.050247] bond0: (slave eth0): Releasing backup interface
[  521.137359] bond0: (slave eth0): Enslaving as an active interface with an up link
[  525.334126] bond0: (slave eth0): Releasing backup interface
[  525.367024] bond0 (unregistering): Released all slaves