[ 1239.124632][T11144] netdevsim netdevsim419 eni419np1: renamed from eth0
[ 1239.236325][T11142] netdevsim netdevsim537 eni537np1: renamed from eth1
[ 1242.589241][T11136] Could not find device with ifindex 2000 in netnsfd 11
[ 1242.590332][T11136] Could not find netns with fd: 2000
[ 1242.591383][T11136] Cannot link a netdevsim to itself
[ 1242.592477][T11136] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).