[ 1226.068362][T11139] netdevsim netdevsim501 eni501np1: renamed from eth0
[ 1226.164077][T11137] netdevsim netdevsim583 eni583np1: renamed from eth1
[ 1229.514295][T11131] Could not find device with ifindex 2000 in netnsfd 11
[ 1229.515048][T11131] Could not find netns with fd: 2000
[ 1229.515671][T11131] Cannot link a netdevsim to itself
[ 1229.516352][T11131] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).