[  808.722774][T15685] netdevsim netdevsim544 eni544np1: renamed from eth1
[  808.726664][T15688] netdevsim netdevsim390 eni390np1: renamed from eth0
[  809.356090][T15674] Could not find device with ifindex 2000 in netnsfd 11
[  809.356762][T15674] Could not find netns with fd: 2000
[  809.357598][T15674] Cannot link a netdevsim to itself
[  809.358168][T15674] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).