There are supposed to be 4. I am only getting 2 of those available to use for some reason, the lower two. The Dell adapters aren't enumerated.
[ 6.000741] bnx2x 0000:01:00.0: msix capability found
[ 6.000908] bnx2x 0000:01:00.0: part number 0-0-0-0
[ 6.137273] bnx2x 0000:01:00.0: 32.000 Gb/s available PCIe bandwidth (5.0 GT/s PCIe x8 link)
[ 6.137306] bnx2x 0000:01:00.1: msix capability found
[ 6.137480] bnx2x 0000:01:00.1: part number 0-0-0-0
[ 6.272458] bnx2x 0000:01:00.1: 32.000 Gb/s available PCIe bandwidth (5.0 GT/s PCIe x8 link)
[ 6.272489] bnx2x 0000:10:00.0: msix capability found
[ 6.272669] bnx2x 0000:10:00.0: Chip read returns all Fs. Preventing probe from continuing
[ 6.272717] bnx2x: probe of 0000:10:00.0 failed with error -22
[ 6.272729] bnx2x 0000:10:00.1: msix capability found
[ 6.272887] bnx2x 0000:10:00.1: Chip read returns all Fs. Preventing probe from continuing
[ 6.272941] bnx2x: probe of 0000:10:00.1 failed with error -22
[ 8.153250] bnx2x 0000:01:00.0 eno1: renamed from eth0
[ 8.185220] bnx2x 0000:01:00.1 eno2: renamed from eth1
[ 12.990567] bnx2x 0000:01:00.0 eno1: entered allmulticast mode
[ 13.573734] bnx2x 0000:01:00.0 eno1: using MSI-X IRQs: sp 54 fp[0] 56 ... fp[9] 65
[ 13.655501] bnx2x 0000:01:00.0 eno1: NIC Link is Up, 1000 Mbps full duplex, Flow control: none
[ 194.934161] bnx2x 0000:01:00.0 eno1: entered promiscuous mode
[ 260.035763] bnx2x 0000:01:00.0 eno1: left promiscuous mode
[ 261.189439] bnx2x 0000:01:00.0 eno1: entered promiscuous mode
[ 286.552820] bnx2x 0000:01:00.0 eno1: left promiscuous mode
[ 287.701650] bnx2x 0000:01:00.0 eno1: entered promiscuous mode