[  518.449933] bond0: (slave eth0): making interface the new active one
[  518.450011] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.656777] bond0: (slave eth0): Releasing backup interface
[  522.770578] bond0: (slave eth0): Enslaving as an active interface with an up link
[  526.931049] bond0: (slave eth0): Releasing backup interface
[  526.965930] bond0 (unregistering): Released all slaves