[ 1010.913962][T11881] rb_a: entered promiscuous mode
[ 1010.914815][T11881] rb_b: entered promiscuous mode
[ 1010.916582][T11881] rb_il: entered promiscuous mode
[ 1010.994678][T11883] pe_a: entered promiscuous mode
[ 1010.995482][T11883] pe_b: entered promiscuous mode
[ 1010.996819][T11883] debugfs: 'prp0' already exists in 'hsr'
[ 1010.997081][T11883] Cannot create hsr debugfs directory
[ 1011.025608][T11884] prp0: Slave A (pe_a) is not up; please bring it up to get a fully working HSR network
[ 1017.805145][ T1392] rb_a: left promiscuous mode
[ 1017.805856][ T1392] rb_b: left promiscuous mode
[ 1017.806604][ T1392] rb_il: left promiscuous mode
[ 1017.820588][ T1392] pe_b (unregistering): left promiscuous mode
[ 1017.827011][ T1392] pe_a (unregistering): left promiscuous mode