[  487.017059] netdevsim netdevsim744 eni744np1: renamed from eth1
[  487.112818] netdevsim netdevsim283 eni283np1: renamed from eth0
[  487.337971] Could not find device with ifindex 2000 in netnsfd 11
[  487.338263] Could not find netns with fd: 2000
[  487.338352] Cannot link a netdevsim to itself
[  487.338464] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).