[  516.780978] bond0: (slave eth0): making interface the new active one
[  516.781064] bond0: (slave eth0): Enslaving as an active interface with an up link
[  521.025284] bond0: (slave eth0): Releasing backup interface
[  521.141779] bond0: (slave eth0): Enslaving as an active interface with an up link
[  525.320962] bond0: (slave eth0): Releasing backup interface
[  525.361949] bond0 (unregistering): Released all slaves