[  508.141707] bond0: (slave eth0): making interface the new active one
[  508.141803] bond0: (slave eth0): Enslaving as an active interface with an up link
[  512.350067] bond0: (slave eth0): Releasing backup interface
[  512.474254] bond0: (slave eth0): Enslaving as an active interface with an up link
[  516.701983] bond0: (slave eth0): Releasing backup interface
[  516.727959] bond0 (unregistering): Released all slaves