[  516.947385] bond0: (slave eth0): making interface the new active one
[  516.947459] bond0: (slave eth0): Enslaving as an active interface with an up link
[  521.098152] bond0: (slave eth0): Releasing backup interface
[  521.178140] bond0: (slave eth0): Enslaving as an active interface with an up link
[  525.326539] bond0: (slave eth0): Releasing backup interface
[  525.362218] bond0 (unregistering): Released all slaves