[ 1230.973120][T11138] netdevsim netdevsim627 eni627np1: renamed from eth1
[ 1231.103920][T11139] netdevsim netdevsim284 eni284np1: renamed from eth0
[ 1234.452988][T11131] Could not find device with ifindex 2000 in netnsfd 11
[ 1234.453746][T11131] Could not find netns with fd: 2000
[ 1234.454335][T11131] Cannot link a netdevsim to itself
[ 1234.455031][T11131] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).