[  516.958107] bond0: (slave eth0): making interface the new active one
[  516.958171] bond0: (slave eth0): Enslaving as an active interface with an up link
[  521.178580] bond0: (slave eth0): Releasing backup interface
[  521.287970] bond0: (slave eth0): Enslaving as an active interface with an up link
[  525.468111] bond0: (slave eth0): Releasing backup interface
[  525.509952] bond0 (unregistering): Released all slaves