[ 1012.659681][T11994] rb_a: entered promiscuous mode
[ 1012.660436][T11994] rb_b: entered promiscuous mode
[ 1012.661868][T11994] rb_il: entered promiscuous mode
[ 1012.729022][T11996] pe_a: entered promiscuous mode
[ 1012.729758][T11996] pe_b: entered promiscuous mode
[ 1012.731356][T11996] debugfs: 'prp0' already exists in 'hsr'
[ 1012.731580][T11996] Cannot create hsr debugfs directory
[ 1012.763015][T11997] prp0: Slave A (pe_a) is not up; please bring it up to get a fully working HSR network
[ 1019.501798][ T1359] rb_a: left promiscuous mode
[ 1019.502338][ T1359] rb_b: left promiscuous mode
[ 1019.503059][ T1359] rb_il: left promiscuous mode
[ 1019.514421][ T1359] pe_b (unregistering): left promiscuous mode
[ 1019.521484][ T1359] pe_a (unregistering): left promiscuous mode