[ 1233.883637][T11136] netdevsim netdevsim272 eni272np1: renamed from eth0
[ 1233.901322][T11135] netdevsim netdevsim581 eni581np1: renamed from eth1
[ 1237.173724][T11128] Could not find device with ifindex 2000 in netnsfd 11
[ 1237.174406][T11128] Could not find netns with fd: 2000
[ 1237.174928][T11128] Cannot link a netdevsim to itself
[ 1237.175587][T11128] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).