[  516.622966] bond0: (slave eth0): making interface the new active one
[  516.623054] bond0: (slave eth0): Enslaving as an active interface with an up link
[  520.863861] bond0: (slave eth0): Releasing backup interface
[  520.982663] bond0: (slave eth0): Enslaving as an active interface with an up link
[  525.152145] bond0: (slave eth0): Releasing backup interface
[  525.193042] bond0 (unregistering): Released all slaves