[ 1237.845448][T11144] netdevsim netdevsim637 eni637np1: renamed from eth1
[ 1237.932293][T11145] netdevsim netdevsim364 eni364np1: renamed from eth0
[ 1241.143909][T11137] Could not find device with ifindex 2000 in netnsfd 11
[ 1241.144702][T11137] Could not find netns with fd: 2000
[ 1241.145370][T11137] Cannot link a netdevsim to itself
[ 1241.146086][T11137] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).