[  514.433529] netdevsim netdevsim513 eni513np1: renamed from eth1
[  514.530382] netdevsim netdevsim361 eni361np1: renamed from eth0
[  514.765155] Could not find device with ifindex 2000 in netnsfd 11
[  514.765330] Could not find netns with fd: 2000
[  514.765426] Cannot link a netdevsim to itself
[  514.765537] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).