cat /proc/sys/net/ipv4/conf/cali03f1aaccec2/proxy_arp
    1
    root@node-10-120-13-236:~# cd /proc/sys/net/ipv4/conf/
    root@node-10-120-13-236:/proc/sys/net/ipv4/conf# ls -al
    total 0
    dr-xr-xr-x 1 root root 0 Dec 24 00:24 .
    dr-xr-xr-x 1 root root 0 Dec 24 00:24 ..
    dr-xr-xr-x 1 root root 0 Dec 24 00:24 all
    dr-xr-xr-x 1 root root 0 Dec 24 00:25 cali03f1aaccec2
    dr-xr-xr-x 1 root root 0 Dec 24 00:25 calia2c25e78e3e
    dr-xr-xr-x 1 root root 0 Dec 24 00:25 calicc710dcfd64
    dr-xr-xr-x 1 root root 0 Dec 24 00:24 default
    dr-xr-xr-x 1 root root 0 Dec 27 04:32 docker0
    dr-xr-xr-x 1 root root 0 Dec 27 04:32 ens160
    dr-xr-xr-x 1 root root 0 Dec 27 04:32 lo
    dr-xr-xr-x 1 root root 0 Dec 27 04:32 vethcb90e1a
    dr-xr-xr-x 1 root root 0 Dec 27 04:32 vxlan.calico
    root@node-10-120-13-236:/proc/sys/net/ipv4/conf# cd all
    root@node-10-120-13-236:/proc/sys/net/ipv4/conf/all# s
    s: command not found
    root@node-10-120-13-236:/proc/sys/net/ipv4/conf/all# ls
    accept_local arp_announce bc_forwarding drop_gratuitous_arp igmpv2_unsolicited_report_interval mc_forwarding proxy_arp_pvlan send_redirects
    accept_redirects arp_filter bootp_relay drop_unicast_in_l2_multicast igmpv3_unsolicited_report_interval medium_id route_localnet shared_media
    accept_source_route arp_ignore disable_policy force_igmp_version ignore_routes_with_linkdown promote_secondaries rp_filter src_valid_mark
    arp_accept arp_notify disable_xfrm forwarding log_martians proxy_arp secure_redirects tag
    root@node-10-120-13-236:/proc/sys/net/ipv4/conf/all# cat proxy_arp
    0
    root@node-10-120-13-236:/proc/sys/net/ipv4/conf/all# cd ..
    root@node-10-120-13-236:/proc/sys/net/ipv4/conf# ls
    all cali03f1aaccec2 calia2c25e78e3e calicc710dcfd64 default docker0 ens160 lo vethcb90e1a vxlan.calico
    root@node-10-120-13-236:/proc/sys/net/ipv4/conf# cat default/pro
    promote_secondaries proxy_arp proxy_arp_pvlan
    root@node-10-120-13-236:/proc/sys/net/ipv4/conf# cat default/proxy_arp
    0
    root@node-10-120-13-236:/proc/sys/net/ipv4/conf# cat ens160/pro
    promote_secondaries proxy_arp proxy_arp_pvlan
    root@node-10-120-13-236:/proc/sys/net/ipv4/conf# cat ens160/pro
    promote_secondaries proxy_arp proxy_arp_pvlan
    root@node-10-120-13-236:/proc/sys/net/ipv4/conf# cat ens160/proxy_arp
    0
    root@node-10-120-13-236:/proc/sys/net/ipv4/conf# cat v
    vethcb90e1a/ vxlan.calico/
    root@node-10-120-13-236:/proc/sys/net/ipv4/conf# cat v
    vethcb90e1a/ vxlan.calico/
    root@node-10-120-13-236:/proc/sys/net/ipv4/conf# cat vxlan.calico/proxy_arp
    0
    root@node-10-120-13-236:/proc/sys/net/ipv4/conf# cat vethcb90e1a/proxy_arp
    0
    root@node-10-120-13-236:/proc/sys/net/ipv4/conf#