[ 1237.787304][T11145] netdevsim netdevsim321 eni321np1: renamed from eth0
[ 1237.892479][T11144] netdevsim netdevsim558 eni558np1: renamed from eth1
[ 1241.076859][T11137] Could not find device with ifindex 2000 in netnsfd 11
[ 1241.077637][T11137] Could not find netns with fd: 2000
[ 1241.078174][T11137] Cannot link a netdevsim to itself
[ 1241.079080][T11137] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).