Mikrotik problem :/

64 bytes from 172.22.3.247: icmp_seq=1 ttl=64 time=1.35 ms
64 bytes from 172.22.3.247: icmp_seq=2 ttl=64 time=25.8 ms
64 bytes from 172.22.3.247: icmp_seq=3 ttl=64 time=1.27 ms
64 bytes from 172.22.3.247: icmp_seq=4 ttl=64 time=1.28 ms
64 bytes from 172.22.3.247: icmp_seq=5 ttl=64 time=1.52 ms
64 bytes from 172.22.3.247: icmp_seq=6 ttl=64 time=43.6 ms
64 bytes from 172.22.3.247: icmp_seq=7 ttl=64 time=1.19 ms
64 bytes from 172.22.3.247: icmp_seq=8 ttl=64 time=36.6 ms
64 bytes from 172.22.3.247: icmp_seq=9 ttl=64 time=1.98 ms

Two atheros 5213 cards, wds link, signal -78.