It btw seems like fleet is not sending any data besides empty TCP packets if requesting curl http://10.24.1.7:8220/api/status
10.24.1.5 is ES, 10.24.1.7 is Logstash and Fleet Server and 10.24.1.3 is the DC:
01:38:27.835299 IP (tos 0x0, ttl 64, id 0, offset 0, flags [DF], proto TCP (6), length 52)
10.24.1.7.8220 > 10.24.1.3.56625: Flags [S.], cksum 0x9f02 (correct), seq 748443443, ack 1512235924, win 64240, options [mss 1460,nop,nop,sackOK,nop,wscale 7], length 0
01:38:28.835551 IP (tos 0x0, ttl 64, id 0, offset 0, flags [DF], proto TCP (6), length 52)
10.24.1.7.8220 > 10.24.1.3.56625: Flags [S.], cksum 0x9f02 (correct), seq 748443443, ack 1512235924, win 64240, options [mss 1460,nop,nop,sackOK,nop,wscale 7], length 0
01:38:29.298891 IP (tos 0x0, ttl 64, id 0, offset 0, flags [DF], proto TCP (6), length 52)
10.24.1.5.9200 > 10.24.1.3.56626: Flags [S.], cksum 0x7399 (correct), seq 3175754204, ack 2289793402, win 64240, options [mss 1460,nop,nop,sackOK,nop,wscale 7], length 0
01:38:29.731539 IP (tos 0x0, ttl 64, id 0, offset 0, flags [DF], proto TCP (6), length 52)
10.24.1.5.9200 > 10.24.1.3.56623: Flags [S.], cksum 0x39ca (correct), seq 773930180, ack 2040741478, win 64240, options [mss 1460,nop,nop,sackOK,nop,wscale 7], length 0
01:38:30.307490 IP (tos 0x0, ttl 64, id 0, offset 0, flags [DF], proto TCP (6), length 52)
10.24.1.5.9200 > 10.24.1.3.56626: Flags [S.], cksum 0x7399 (correct), seq 3175754204, ack 2289793402, win 64240, options [mss 1460,nop,nop,sackOK,nop,wscale 7], length 0
01:38:30.823353 IP (tos 0x0, ttl 64, id 0, offset 0, flags [DF], proto TCP (6), length 52)
10.24.1.7.8220 > 10.24.1.3.56625: Flags [S.], cksum 0x9f02 (correct), seq 748443443, ack 1512235924, win 64240, options [mss 1460,nop,nop,sackOK,nop,wscale 7], length 0
01:38:31.015485 IP (tos 0x0, ttl 64, id 0, offset 0, flags [DF], proto TCP (6), length 52)
10.24.1.5.9200 > 10.24.1.3.56619: Flags [S.], cksum 0xf2fd (correct), seq 1619032043, ack 3708073038, win 64240, options [mss 1460,nop,nop,sackOK,nop,wscale 7], length 0
01:38:32.298632 IP (tos 0x0, ttl 64, id 0, offset 0, flags [DF], proto TCP (6), length 52)
10.24.1.5.9200 > 10.24.1.3.56626: Flags [S.], cksum 0x7399 (correct), seq 3175754204, ack 2289793402, win 64240, options [mss 1460,nop,nop,sackOK,nop,wscale 7], length 0
01:38:32.835490 IP (tos 0x0, ttl 64, id 0, offset 0, flags [DF], proto TCP (6), length 52)
10.24.1.7.8220 > 10.24.1.3.56625: Flags [S.], cksum 0x9f02 (correct), seq 748443443, ack 1512235924, win 64240, options [mss 1460,nop,nop,sackOK,nop,wscale 7], length 0
01:38:34.307466 IP (tos 0x0, ttl 64, id 0, offset 0, flags [DF], proto TCP (6), length 52)
10.24.1.5.9200 > 10.24.1.3.56626: Flags [S.], cksum 0x7399 (correct), seq 3175754204, ack 2289793402, win 64240, options [mss 1460,nop,nop,sackOK,nop,wscale 7], length 0
01:38:34.508482 IP (tos 0x0, ttl 64, id 0, offset 0, flags [DF], proto TCP (6), length 52)
10.24.1.5.9200 > 10.24.1.3.56627: Flags [S.], cksum 0x3295 (correct), seq 1381733823, ack 801968696, win 64240, options [mss 1460,nop,nop,sackOK,nop,wscale 7], length 0
01:38:35.523462 IP (tos 0x0, ttl 64, id 0, offset 0, flags [DF], proto TCP (6), length 52)
10.24.1.5.9200 > 10.24.1.3.56627: Flags [S.], cksum 0x3295 (correct), seq 1381733823, ack 801968696, win 64240, options [mss 1460,nop,nop,sackOK,nop,wscale 7], length 0