[  516.872379] bond0: (slave eth0): making interface the new active one
[  516.872494] bond0: (slave eth0): Enslaving as an active interface with an up link
[  521.043932] bond0: (slave eth0): Releasing backup interface
[  521.119004] bond0: (slave eth0): Enslaving as an active interface with an up link
[  525.266246] bond0: (slave eth0): Releasing backup interface
[  525.285169] bond0 (unregistering): Released all slaves