r0 = socket$inet_udp(0x2, 0x2, 0x0)
ioctl$sock_inet_SIOCDARP(r0, 0x8953, &(0x7f0000000040)={{0x2, 0x0, @loopback}, {0x0, @multicast}, 0x64, {0x2, 0x0, @dev}, 'macvlan0\x00'})