[  514.115173] bond0: (slave eth0): making interface the new active one
[  514.115263] bond0: (slave eth0): Enslaving as an active interface with an up link
[  518.365261] bond0: (slave eth0): Releasing backup interface
[  518.483613] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.720966] bond0: (slave eth0): Releasing backup interface
[  522.747954] bond0 (unregistering): Released all slaves