[  456.872315] netdevsim netdevsim485 eni485np1: renamed from eth0
[  456.873156] netdevsim netdevsim678 eni678np1: renamed from eth1
[  456.958867] Could not find device with ifindex 2000 in netnsfd 11
[  456.959044] Could not find netns with fd: 2000
[  456.959178] Cannot link a netdevsim to itself
[  456.959324] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).