[  508.219760] bond0: (slave eth0): making interface the new active one
[  508.219872] bond0: (slave eth0): Enslaving as an active interface with an up link
[  512.400276] bond0: (slave eth0): Releasing backup interface
[  512.468582] bond0: (slave eth0): Enslaving as an active interface with an up link
[  516.628612] bond0: (slave eth0): Releasing backup interface
[  516.658548] bond0 (unregistering): Released all slaves