[ 1240.585939][T12791] netdevsim netdevsim534 eni534np1: renamed from eth1
[ 1240.692990][T12790] netdevsim netdevsim400 eni400np1: renamed from eth0
[ 1243.489288][T12778] Could not find device with ifindex 2000 in netnsfd 11
[ 1243.491202][T12778] Could not find netns with fd: 2000
[ 1243.492705][T12778] Cannot link a netdevsim to itself
[ 1243.494556][T12778] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).