[  509.901186] bond0: (slave eth0): making interface the new active one
[  509.901273] bond0: (slave eth0): Enslaving as an active interface with an up link
[  514.132706] bond0: (slave eth0): Releasing backup interface
[  514.254662] bond0: (slave eth0): Enslaving as an active interface with an up link
[  518.424989] bond0: (slave eth0): Releasing backup interface
[  518.452038] bond0 (unregistering): Released all slaves