Como remover módulos conntrack?

Como remover módulos conntrack?

Tentei remover módulos conntrack por conntrack -D mas ele não foi removido. A lista de contratos que desejo remover é:

  # conntrack -L |grep 192.168.2.210
  tcp      6 1 LAST_ACK src=192.168.2.210 dst=192.168.2.28 sport=53123 
  dport=47778 src=192.168.1.214 dst=192.168.2.210 sport=47778                dport=53123 [ASSURED] use=1
 conntracktcp      6 431999 ESTABLISHED src=192.168.2.210      dst=192.168.2.28 sport=53125 dport=20900 src=192.168.1.214      dst=192.168.2.210 sport=20900 dport=53125 [ASSURED] use=1
 v1.4.3 (conntrack-tools): 110 flow entries have been shown.
 tcp      6 431971 ESTABLISHED src=192.168.2.210 dst=192.168.2.28      sport=53122 dport=21 src=192.168.1.214 dst=192.168.2.210 sport=21      dport=53122 [ASSURED] helper=ftp use=2
 tcp      6 431979 ESTABLISHED src=192.168.2.210 dst=192.168.2.28      sport=53124 dport=21 src=192.168.1.214 dst=192.168.2.210 sport=21      dport=53124 [ASSURED] helper=ftp use=2

Eu executei conntrack -D e conntrack -F e recebi

 conntrack v1.4.3 (conntrack-tools): connection tracking table has been emptied.

Executei conntrack -L novamente e recebo as seguintes linhas

# conntrack -L |grep 192.168.2.210
conntrack v1.4.3 (conntrack-tools): 27 flow entries have been shown.
tcp      6 431996 ESTABLISHED src=192.168.1.214 dst=192.168.2.210     sport=20900 dport=53125 src=192.168.2.210 dst=192.168.2.28 sport=53125     dport=20900 [ASSURED] use=1

Preciso remover esta linha do conntrack

Qualquer ajuda é apreciada

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