[  877.219741][ T9563] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  877.313145][ T9564] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  877.423090][ T9565] br0: port 1(veth0) entered blocking state
[  877.423424][ T9565] br0: port 1(veth0) entered disabled state
[  877.423705][ T9565] veth0: entered allmulticast mode
[  877.425029][ T9565] veth0: entered promiscuous mode
[  877.510086][ T9566] br0: port 2(veth1) entered blocking state
[  877.510368][ T9566] br0: port 2(veth1) entered disabled state
[  877.510650][ T9566] veth1: entered allmulticast mode
[  877.512350][ T9566] veth1: entered promiscuous mode
[  877.897729][   T63] br0: port 1(veth0) entered blocking state
[  877.898027][   T63] br0: port 1(veth0) entered forwarding state
[  877.899079][   T63] br0: port 2(veth1) entered blocking state
[  877.899296][   T63] br0: port 2(veth1) entered forwarding state
[  879.171699][ T4723] bond0: (slave veth1): link status definitely up
[  879.172490][ T4723] bond0: (slave veth1): making interface the new active one
[  879.174527][ T4723] bond0: active interface up!
[  879.634831][ T8453] veth1: left allmulticast mode
[  879.635089][ T8453] veth1: left promiscuous mode
[  879.635390][ T8453] br0: port 2(veth1) entered disabled state
[  879.637561][ T8453] veth0: left allmulticast mode
[  879.637745][ T8453] veth0: left promiscuous mode
[  879.638256][ T8453] br0: port 1(veth0) entered disabled state
[  879.848791][ T8453] bond0: (slave veth1): Releasing backup interface
[  880.032850][ T8453] bond0: (slave veth0): Releasing backup interface
[  880.405165][ T8453] bond0 (unregistering): Released all slaves