[  518.351185] bond0: (slave eth0): making interface the new active one
[  518.351273] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.517555] bond0: (slave eth0): Releasing backup interface
[  522.599716] bond0: (slave eth0): Enslaving as an active interface with an up link
[  526.740237] bond0: (slave eth0): Releasing backup interface
[  526.767273] bond0 (unregistering): Released all slaves