[  516.505587] bond0: (slave eth0): making interface the new active one
[  516.505708] bond0: (slave eth0): Enslaving as an active interface with an up link
[  520.747737] bond0: (slave eth0): Releasing backup interface
[  520.852051] bond0: (slave eth0): Enslaving as an active interface with an up link
[  525.034013] bond0: (slave eth0): Releasing backup interface
[  525.055966] bond0 (unregistering): Released all slaves