[  937.960379][T11894] rb_a: entered promiscuous mode
[  937.961147][T11894] rb_b: entered promiscuous mode
[  937.962488][T11894] rb_il: entered promiscuous mode
[  938.032613][T11896] pe_a: entered promiscuous mode
[  938.033335][T11896] pe_b: entered promiscuous mode
[  938.034079][T11896] debugfs: 'prp0' already exists in 'hsr'
[  938.034337][T11896] Cannot create hsr debugfs directory
[  938.064969][T11897] prp0: Slave A (pe_a) is not up; please bring it up to get a fully working HSR network
[  944.726806][ T1366] rb_a: left promiscuous mode
[  944.727363][ T1366] rb_b: left promiscuous mode
[  944.729899][ T1366] rb_il: left promiscuous mode
[  944.741053][ T1366] pe_b (unregistering): left promiscuous mode
[  944.743979][ T1366] pe_a (unregistering): left promiscuous mode