[CentOS] udev rename NIC failed

wuzhouhui

wuzhouhui14 at mails.ucas.ac.cn
Mon Apr 1 12:55:38 UTC 2019


Hi,

Sometimes, I found one of my Mellanox NIC renamed to rename6, instead
of eth1. The right names of NICs in my system should be:
    eth0        Mellanox NIC
    eth1        Mellanox NIC
    eth2        Intel NIC
    eth3        Intel NIC
    eth4        Intel NIC
    eth5        Intel NIC
eth0 and eth1 will combined as bond1 with mode 4. However, the current
names are:
    eth0        Mellanox NIC
    rename6     Mellanox NIC
    eth1        Intel NIC
    eth2        Intel NIC
    eth4        Intel NIC
    eth5        Intel NIC
And bond1 still consist of eth0 and eth1, but eth1 is Intel NIC, instead
of Mellanox NIC.

Following is selected log from /var/log/messages:
    ...
    kernel: [   23.098148] i40e: Intel(R) 40-10 Gigabit Ethernet Connection Network Driver - version 2.2.4
    kernel: [   23.098554] i40e: Copyright(c) 2013 - 2017 Intel Corporation.
    kernel: [   23.114270] i40e 0000:1a:00.0: fw 3.1.57069 api 1.5 nvm 3.33 0x80000f09 255.65535.255
    kernel: [   23.118320] i40e 0000:1a:00.0: MAC address: 28:41:c6:fb:c3:a2
    kernel: [   23.128007] i40e 0000:1a:00.0: MSI-X vector limit reached, attempting to redistribute vectors
    kernel: [   23.133699] i40e 0000:1a:00.0: Added LAN device PF0 bus=0x1a dev=0x00 func=0x00
    kernel: [   23.134414] i40e 0000:1a:00.0: Features: PF-id[0] VFs: 32 VSIs: 34 QP: 56 RSS FD_ATR FD_SB NTUPLE CloudF DCB VxLAN NVGRE PTP VEPA
    kernel: [   23.148085] i40e 0000:1a:00.1: fw 3.1.57069 api 1.5 nvm 3.33 0x80000f09 255.65535.255
    kernel: [   23.151729] i40e 0000:1a:00.1: MAC address: 28:41:c6:fb:c3:a3
    kernel: [   23.160694] i40e 0000:1a:00.1: MSI-X vector limit reached, attempting to redistribute vectors
    kernel: [   23.166232] i40e 0000:1a:00.1: Added LAN device PF1 bus=0x1a dev=0x00 func=0x01
    kernel: [   23.167280] i40e 0000:1a:00.1: Features: PF-id[1] VFs: 32 VSIs: 34 QP: 56 RSS FD_ATR FD_SB NTUPLE CloudF DCB VxLAN NVGRE PTP VEPA
    kernel: [   23.185771] i40e 0000:1a:00.2: fw 3.1.57069 api 1.5 nvm 3.33 0x80000f09 255.65535.255
    kernel: [   23.193232] i40e 0000:1a:00.2: MAC address: 28:41:c6:fb:c3:a4
    kernel: [   23.207420] i40e 0000:1a:00.2: MSI-X vector limit reached, attempting to redistribute vectors
    kernel: [   23.217474] i40e 0000:1a:00.2: Added LAN device PF2 bus=0x1a dev=0x00 func=0x02
    kernel: [   23.219339] i40e 0000:1a:00.2: Features: PF-id[2] VFs: 32 VSIs: 34 QP: 56 RSS FD_ATR FD_SB NTUPLE CloudF DCB VxLAN NVGRE PTP VEPA
    kernel: [   23.237958] i40e 0000:1a:00.3: fw 3.1.57069 api 1.5 nvm 3.33 0x80000f09 255.65535.255
    kernel: [   23.242039] i40e 0000:1a:00.3: MAC address: 28:41:c6:fb:c3:a5
    kernel: [   23.258645] i40e 0000:1a:00.3: MSI-X vector limit reached, attempting to redistribute vectors
    kernel: [   23.270395] i40e 0000:1a:00.3: Added LAN device PF3 bus=0x1a dev=0x00 func=0x03
    kernel: [   23.271911] i40e 0000:1a:00.3: Features: PF-id[3] VFs: 32 VSIs: 34 QP: 56 RSS FD_ATR FD_SB NTUPLE CloudF DCB VxLAN NVGRE PTP 
    ...
    kernel: [  250.279739] Compat-mlnx-ofed backport release: f8de107
    kernel: [  250.280006] Backport based on mlnx_ofed/mlnx-ofa_kernel-4.0.git f8de107
    kernel: [  250.280261] compat.git: mlnx_ofed/mlnx-ofa_kernel-4.0.git
    kernel: [  250.287865] mlx5_core 0000:3b:00.0: firmware version: 14.23.1020
    kernel: [  250.293492] tun: Universal TUN/TAP device driver, 1.6
    kernel: [  250.293731] tun: (C) 1999-2004 Max Krasnyansky <maxk at qualcomm.com>
    kernel: [  250.360407] nbd: registered device at major 43
    kernel: [  250.367659] nf_conntrack version 0.5.0 (65536 buckets, 262144 max)
    kernel: [  250.373103] VFIO - User Level meta-driver version: 0.3
    kernel: [  250.455352] EXT4-fs (sda2): re-mounted. Opts: (null)
    kernel: [  250.489486] EXT4-fs (sda1): mounted filesystem with ordered data mode. Opts: (null)
    kernel: [  251.202430] (0000:3b:00.0): E-Switch: Total vports 9, per vport: max uc(1024) max mc(16384)
    kernel: [  251.343924] mlx5_core 0000:3b:00.1: firmware version: 14.23.1020
    kernel: [  252.273017] (0000:3b:00.1): E-Switch: Total vports 9, per vport: max uc(1024) max mc(16384)
    kernel: [  252.411436] mlx5_core 0000:3b:00.0: MLX5E: StrdRq(1) RqSz(8) StrdSz(64) RxCqeCmprss(0)
    kernel: [  252.575886] mlx5_core 0000:3b:00.1: MLX5E: StrdRq(1) RqSz(8) StrdSz(64) RxCqeCmprss(0)
    kernel: [  252.814797] mlx5_ib: Mellanox Connect-IB Infiniband driver v4.2-1.2.0
    kernel: [  343.507623] Ethernet Channel Bonding Driver: v3.7.1 (April 27, 2011)
    kernel: [  343.508800] bonding: bond1 is being created...
    kernel: [  343.525710] bond1: Setting MII monitoring interval to 100
    kernel: [  343.526101] bond1: Setting xmit hash policy to layer2+3 (2)
    kernel: [  343.528088] IPv6: ADDRCONF(NETDEV_UP): bond1: link is not ready
    kernel: [  343.543330] bond1: Adding slave eth0
    kernel: [  343.834246] mlx5_core 0000:3b:00.0 eth0: mlx5e_update_carrier:153: Link up
    kernel: [  343.837195] bond1: Enslaving eth0 as a backup interface with an up link
    kernel: [  343.852012] bond1: Adding slave eth1
    kernel: [  343.852264] i40e 0000:1a:00.1 eth1: set new mac address 98:03:9b:83:cd:5e
    kernel: [  343.860085] bond1: Enslaving eth1 as a backup interface with a down link
    ...
    udevd-work[15328]: error changing netif name 'eth1' to 'eth3': Device or resource busy
    ....

It seems that udevd failed to rename eth1 to eth3, because eth1 has been enslaved
by bond1. Does anyone know how to handle this problem?

i40e: 2.2.4
CentOS: 6.3
mlx5_core: 4.2

Thanks.


More information about the CentOS mailing list