[  507.922655] bond0: (slave eth0): making interface the new active one
[  507.922755] bond0: (slave eth0): Enslaving as an active interface with an up link
[  512.085021] bond0: (slave eth0): Releasing backup interface
[  512.160295] bond0: (slave eth0): Enslaving as an active interface with an up link
[  516.312552] bond0: (slave eth0): Releasing backup interface
[  516.333397] bond0 (unregistering): Released all slaves