[  516.835872] bond0: (slave eth0): making interface the new active one
[  516.835973] bond0: (slave eth0): Enslaving as an active interface with an up link
[  521.049475] bond0: (slave eth0): Releasing backup interface
[  521.161189] bond0: (slave eth0): Enslaving as an active interface with an up link
[  525.336860] bond0: (slave eth0): Releasing backup interface
[  525.361845] bond0 (unregistering): Released all slaves