[ 1033.848931][T12481] netdevsim netdevsim400 eni400np1: renamed from eth0
[ 1033.955716][T12480] netdevsim netdevsim674 eni674np1: renamed from eth1
[ 1035.784102][T12473] Could not find device with ifindex 2000 in netnsfd 11
[ 1035.785103][T12473] Could not find netns with fd: 2000
[ 1035.785795][T12473] Cannot link a netdevsim to itself
[ 1035.786632][T12473] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).