[  483.592003] netdevsim netdevsim315 eni315np1: renamed from eth0
[  483.593139] netdevsim netdevsim577 eni577np1: renamed from eth1
[  483.674752] Could not find device with ifindex 2000 in netnsfd 11
[  483.674847] Could not find netns with fd: 2000
[  483.674895] Cannot link a netdevsim to itself
[  483.674955] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).