[  521.941897] bond0: (slave eth0): making interface the new active one
[  521.942016] bond0: (slave eth0): Enslaving as an active interface with an up link
[  526.093507] bond0: (slave eth0): Releasing backup interface
[  526.169592] bond0: (slave eth0): Enslaving as an active interface with an up link
[  530.322294] bond0: (slave eth0): Releasing backup interface
[  530.348262] bond0 (unregistering): Released all slaves