[  505.107415] bond0: (slave eth0): making interface the new active one
[  505.107494] bond0: (slave eth0): Enslaving as an active interface with an up link
[  509.261913] bond0: (slave eth0): Releasing backup interface
[  509.329528] bond0: (slave eth0): Enslaving as an active interface with an up link
[  513.480293] bond0: (slave eth0): Releasing backup interface
[  513.516310] bond0 (unregistering): Released all slaves