[  516.943627] bond0: (slave eth0): making interface the new active one
[  516.943705] bond0: (slave eth0): Enslaving as an active interface with an up link
[  521.178661] bond0: (slave eth0): Releasing backup interface
[  521.287921] bond0: (slave eth0): Enslaving as an active interface with an up link
[  525.470126] bond0: (slave eth0): Releasing backup interface
[  525.502048] bond0 (unregistering): Released all slaves