[ 1019.985418][T12131] netdevsim netdevsim579 eni579np1: renamed from eth1
[ 1020.113102][T12067] netdevsim netdevsim501 eni501np1: renamed from eth0
[ 1022.065637][T12556] Could not find device with ifindex 2000 in netnsfd 11
[ 1022.066598][T12556] Could not find netns with fd: 2000
[ 1022.067277][T12556] Cannot link a netdevsim to itself
[ 1022.068378][T12556] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).