Am 09.02.2020 um 16:14 schrieb Nicolas Kovacs: > Le 09/02/2020 à 14:10, Nicolas Kovacs a écrit : >> Any suggestions ? > > I forgot to add. The onboard NIC is a Broadcom card. > > $ lspci | grep -i net > 02:02.0 Ethernet controller: Realtek Semiconductor Co., Ltd. > RTL-8100/8101L/8139 PCI Fast Ethernet Adapter (rev 10) > 02:09.0 Ethernet controller: Broadcom Inc. and subsidiaries BCM4401-B0 > 100Base-TX (rev 02) > > This card gets randomly renamed to either eth0 or eth1 after every reboot. > > This is weird. https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/7/html/networking_guide/sec-Troubleshooting_Network_Device_Naming Example 11.4 "Kernel always uses the ethX naming convention at boot when it enumerates network devices. Due to parallelization, the order of the kernel interface enumeration is expected to vary across reboots." Alexander