[ 2314.351651][T29307] br0: port 1(dummy0) entered blocking state
[ 2314.351839][T29307] br0: port 1(dummy0) entered disabled state
[ 2314.351997][T29307] dummy0: entered allmulticast mode
[ 2314.352851][T29307] dummy0: entered promiscuous mode
[ 2314.376574][T29308] br0: port 1(dummy0) entered blocking state
[ 2314.376750][T29308] br0: port 1(dummy0) entered forwarding state
[ 2316.484692][    C0] clocksource: Watchdog remote CPU 3 read timed out
[ 2317.376797][   T70] dummy0: left allmulticast mode
[ 2317.376974][   T70] dummy0: left promiscuous mode
[ 2317.377201][   T70] br0: port 1(dummy0) entered disabled state