[ 1270.240753][T12853] netdevsim netdevsim284 eni284np1: renamed from eth0
[ 1270.368942][T12852] netdevsim netdevsim683 eni683np1: renamed from eth1
[ 1273.107444][T12843] Could not find device with ifindex 2000 in netnsfd 11
[ 1273.109388][T12843] Could not find netns with fd: 2000
[ 1273.110301][T12843] Cannot link a netdevsim to itself
[ 1273.111406][T12843] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).