[ 1013.378508][T12691] netdevsim netdevsim281 eni281np1: renamed from eth0
[ 1013.518466][T12742] netdevsim netdevsim521 eni521np1: renamed from eth1
[ 1015.288855][T12735] Could not find device with ifindex 2000 in netnsfd 11
[ 1015.290062][T12735] Could not find netns with fd: 2000
[ 1015.290773][T12735] Cannot link a netdevsim to itself
[ 1015.298077][T12735] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).