r0 = socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$ethtool(&(0x7f0000002740), 0xffffffffffffffff)
sendmsg$ETHTOOL_MSG_PRIVFLAGS_GET(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x2c, r1, 0x1, 0x0, 0x0, {}, [@HEADER={0x18, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'batadv0\x00'}]}]}, 0x2c}}, 0x0)