[ 1235.066854][T12775] netdevsim netdevsim518 eni518np1: renamed from eth1
[ 1235.156741][T12774] netdevsim netdevsim256 eni256np1: renamed from eth0
[ 1237.583142][T12766] Could not find device with ifindex 2000 in netnsfd 11
[ 1237.584875][T12766] Could not find netns with fd: 2000
[ 1237.585796][T12766] Cannot link a netdevsim to itself
[ 1237.586913][T12766] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).