set proxy_delay before set proxy_arp to avoid kernel panic
set proxy_delay before set proxy_arp to avoid kernel panic

Fixes https://github.com/projectcalico/felix/issues/1937

Signed-off-by: bingshen.wbs <55966046466d96c8d411bbeaa0f37495b913485e@alibaba-inc.com>

Metaswitch/calico,neiljerram/felix,neiljerram/felix,neiljerram/felix,Metaswitch/calico,neiljerram/felix