[ 1227.781557][T11132] netdevsim netdevsim699 eni699np1: renamed from eth1
[ 1227.809011][T11134] netdevsim netdevsim376 eni376np1: renamed from eth0
[ 1231.063520][T11126] Could not find device with ifindex 2000 in netnsfd 11
[ 1231.064179][T11126] Could not find netns with fd: 2000
[ 1231.064730][T11126] Cannot link a netdevsim to itself
[ 1231.065575][T11126] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).