[  518.201599] bond0: (slave eth0): making interface the new active one
[  518.201666] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.387879] bond0: (slave eth0): Releasing backup interface
[  522.454502] bond0: (slave eth0): Enslaving as an active interface with an up link
[  526.615547] bond0: (slave eth0): Releasing backup interface
[  526.640272] bond0 (unregistering): Released all slaves