[  518.778464] bond0: (slave eth0): making interface the new active one
[  518.778566] bond0: (slave eth0): Enslaving as an active interface with an up link
[  523.039999] bond0: (slave eth0): Releasing backup interface
[  523.152183] bond0: (slave eth0): Enslaving as an active interface with an up link
[  527.391274] bond0: (slave eth0): Releasing backup interface
[  527.424024] bond0 (unregistering): Released all slaves