Не удается добавить сетевую карту

в dmesg видно, что федора подхватила новую карту?

cat /proc/net/dev
lspci -k
lspci -nn

cat /proc/net/dev
Inter-| Receive | Transmit
face |bytes packets errs drop fifo frame compressed multicast|bytes packets errs drop fifo colls carrier compressed
lo: 3646 26 0 0 0 0 0 0 3646 26 0 0 0 0 0 0
eth0: 33930391 180659 0 0 0 0 0 0 181749125 200684 0 0 0 0 0 0
eth1: 101917059 130901 0 0 0 0 0 0 29801280 136234 0 0 0 0 0 0
eth2: 82557821 85014 0 0 0 0 0 0 10321906 79518 0 0 0 0 0 0
eth4: 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
tun0: 967489 13811 0 0 0 0 0 0 12990510 16768 0 0 0 0 0 0

[root@router network-scripts]# lspci -k
00:00.0 Host bridge: Intel Corporation 440BX/ZX/DX - 82443BX/ZX/DX Host bridge (rev 01)
Subsystem: VMware Virtual Machine Chipset
Kernel driver in use: agpgart-intel
00:01.0 PCI bridge: Intel Corporation 440BX/ZX/DX - 82443BX/ZX/DX AGP bridge (rev 01)
00:07.0 ISA bridge: Intel Corporation 82371AB/EB/MB PIIX4 ISA (rev 08)
Subsystem: VMware Virtual Machine Chipset
00:07.1 IDE interface: Intel Corporation 82371AB/EB/MB PIIX4 IDE (rev 01)
Subsystem: VMware Virtual Machine Chipset
Kernel driver in use: ata_piix
00:07.3 Bridge: Intel Corporation 82371AB/EB/MB PIIX4 ACPI (rev 08)
Subsystem: VMware Virtual Machine Chipset
Kernel modules: i2c-piix4
00:07.7 System peripheral: VMware Virtual Machine Communication Interface (rev 10)
Subsystem: VMware Virtual Machine Communication Interface
00:0f.0 VGA compatible controller: VMware SVGA II Adapter
Subsystem: VMware SVGA II Adapter
00:10.0 SCSI storage controller: LSI Logic / Symbios Logic 53c1030 PCI-X Fusion-MPT Dual Ultra320 SCSI (rev 01)
Subsystem: VMware LSI Logic Parallel SCSI Controller
Kernel driver in use: mptspi
Kernel modules: mptspi
00:11.0 PCI bridge: VMware PCI bridge (rev 02)
00:15.0 PCI bridge: VMware PCI Express Root Port (rev 01)
Kernel driver in use: pcieport
00:15.1 PCI bridge: VMware PCI Express Root Port (rev 01)
Kernel driver in use: pcieport
00:15.2 PCI bridge: VMware PCI Express Root Port (rev 01)
Kernel driver in use: pcieport
....................
02:00.0 Ethernet controller: Intel Corporation 82545EM Gigabit Ethernet Controller (Copper) (rev 01)
Subsystem: VMware PRO/1000 MT Single Port Adapter
Kernel driver in use: e1000
Kernel modules: e1000
02:02.0 Ethernet controller: Intel Corporation 82545EM Gigabit Ethernet Controller (Copper) (rev 01)
Subsystem: VMware PRO/1000 MT Single Port Adapter
Kernel driver in use: e1000
Kernel modules: e1000
02:03.0 Ethernet controller: Intel Corporation 82545EM Gigabit Ethernet Controller (Copper) (rev 01)
Subsystem: VMware PRO/1000 MT Single Port Adapter
Kernel driver in use: e1000
Kernel modules: e1000
02:04.0 Ethernet controller: Intel Corporation 82545EM Gigabit Ethernet Controller (Copper) (rev 01)
Subsystem: VMware PRO/1000 MT Single Port Adapter
Kernel driver in use: e1000
Kernel modules: e1000

[root@router network-scripts]# lspci -nn 00:00.0 Host bridge [0600]: Intel Corporation 440BX/ZX/DX - 82443BX/ZX/DX Host bridge [8086:7190] (rev 01)
00:01.0 PCI bridge [0604]: Intel Corporation 440BX/ZX/DX - 82443BX/ZX/DX AGP bridge [8086:7191] (rev 01)
00:07.0 ISA bridge [0601]: Intel Corporation 82371AB/EB/MB PIIX4 ISA [8086:7110] (rev 08)
00:07.1 IDE interface [0101]: Intel Corporation 82371AB/EB/MB PIIX4 IDE [8086:7111] (rev 01)
00:07.3 Bridge [0680]: Intel Corporation 82371AB/EB/MB PIIX4 ACPI [8086:7113] (rev 08)
00:07.7 System peripheral [0880]: VMware Virtual Machine Communication Interface [15ad:0740] (rev 10)
00:0f.0 VGA compatible controller [0300]: VMware SVGA II Adapter [15ad:0405]
00:10.0 SCSI storage controller [0100]: LSI Logic / Symbios Logic 53c1030 PCI-X Fusion-MPT Dual Ultra320 SCSI [1000:0030] (rev 01)
00:11.0 PCI bridge [0604]: VMware PCI bridge [15ad:0790] (rev 02)
00:15.0 PCI bridge [0604]: VMware PCI Express Root Port [15ad:07a0] (rev 01)
00:15.1 PCI bridge [0604]: VMware PCI Express Root Port [15ad:07a0] (rev 01)
00:15.2 PCI bridge [0604]: VMware PCI Express Root Port [15ad:07a0] (rev 01)
00:15.3 PCI bridge [0604]: VMware PCI Express Root Port [15ad:07a0] (rev 01)
...............
02:00.0 Ethernet controller [0200]: Intel Corporation 82545EM Gigabit Ethernet Controller (Copper) [8086:100f] (rev 01)
02:02.0 Ethernet controller [0200]: Intel Corporation 82545EM Gigabit Ethernet Controller (Copper) [8086:100f] (rev 01)
02:03.0 Ethernet controller [0200]: Intel Corporation 82545EM Gigabit Ethernet Controller (Copper) [8086:100f] (rev 01)
02:04.0 Ethernet controller [0200]: Intel Corporation 82545EM Gigabit Ethernet Controller (Copper) [8086:100f] (rev 01)

не перегружал сервак-критично (((

eth4: 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0

Ну вот и настраивайте eth4.

Подскажите куда копать?

в сторону /etc/udev/rules.d/70-persistent-net.rules

а что это такое? что с ним делать?

это файл, можно редактировать.