[  516.972377] bond0: (slave eth0): making interface the new active one
[  516.972487] bond0: (slave eth0): Enslaving as an active interface with an up link
[  521.247395] bond0: (slave eth0): Releasing backup interface
[  521.358361] bond0: (slave eth0): Enslaving as an active interface with an up link
[  525.527940] bond0: (slave eth0): Releasing backup interface
[  525.559939] bond0 (unregistering): Released all slaves