[  518.561326] bond0: (slave eth0): making interface the new active one
[  518.561401] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.783687] bond0: (slave eth0): Releasing backup interface
[  522.922838] bond0: (slave eth0): Enslaving as an active interface with an up link
[  527.126095] bond0: (slave eth0): Releasing backup interface
[  527.154951] bond0 (unregistering): Released all slaves