[  538.002378] bond0: (slave eth0): making interface the new active one
[  538.002449] bond0: (slave eth0): Enslaving as an active interface with an up link
[  542.249724] bond0: (slave eth0): Releasing backup interface
[  542.365507] bond0: (slave eth0): Enslaving as an active interface with an up link
[  546.538324] bond0: (slave eth0): Releasing backup interface
[  546.575280] bond0 (unregistering): Released all slaves