[  516.936879] bond0: (slave eth0): making interface the new active one
[  516.936969] bond0: (slave eth0): Enslaving as an active interface with an up link
[  521.092852] bond0: (slave eth0): Releasing backup interface
[  521.156893] bond0: (slave eth0): Enslaving as an active interface with an up link
[  525.324929] bond0: (slave eth0): Releasing backup interface
[  525.366879] bond0 (unregistering): Released all slaves