[  483.880469] netdevsim netdevsim478 eni478np1: renamed from eth0
[  483.881087] netdevsim netdevsim677 eni677np1: renamed from eth1
[  483.955121] Could not find device with ifindex 2000 in netnsfd 11
[  483.955186] Could not find netns with fd: 2000
[  483.955242] Cannot link a netdevsim to itself
[  483.955284] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).