[  753.114449][T14564] netdevsim netdevsim357 eni357np1: renamed from eth0
[  753.126059][T14563] netdevsim netdevsim664 eni664np1: renamed from eth1
[  753.669417][T14552] Could not find device with ifindex 2000 in netnsfd 11
[  753.670241][T14552] Could not find netns with fd: 2000
[  753.670695][T14552] Cannot link a netdevsim to itself
[  753.671093][T14552] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).