[ 1226.606353][T12776] netdevsim netdevsim740 eni740np1: renamed from eth1
[ 1226.739098][T12777] netdevsim netdevsim442 eni442np1: renamed from eth0
[ 1229.262443][T12769] Could not find device with ifindex 2000 in netnsfd 11
[ 1229.273660][T12769] Could not find netns with fd: 2000
[ 1229.275093][T12769] Cannot link a netdevsim to itself
[ 1229.276273][T12769] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).