[  505.200218] bond0: (slave eth0): making interface the new active one
[  505.200311] bond0: (slave eth0): Enslaving as an active interface with an up link
[  509.391408] bond0: (slave eth0): Releasing backup interface
[  509.475027] bond0: (slave eth0): Enslaving as an active interface with an up link
[  513.620041] bond0: (slave eth0): Releasing backup interface
[  513.645986] bond0 (unregistering): Released all slaves